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Mercury 2015 1115 EFI, Engine turns over but will not start.

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Mercury 2015 1115 EFI...

Mercury 2015 1115 EFI, Engine turns over but will not start. Fully charged battery, new plugs just installed, gas exists small tire like valve afters high pressure fuel filter.

Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so the Marine Mechanic can help you best.

115

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First time trying to start after sitting for 3 months.

Submitted: 28 days ago.Category: Boat
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Customer reply replied 28 days ago
All mini fuses on the two engine mounted fuse holders test good
Customer reply replied 28 days ago
When turning the key to the on position and then pressing down, the fuel pump runs for 5 seconds and then turns off.
Answered in 1 hour by:
3/25/2018
Marine Mechanic: Jason, Marine Mechanic replied 28 days ago
Jason
Jason, Marine Mechanic
Category: Boat
Satisfied Customers: 16,760
Experience: Degree in Marine Technology. Gas and diesel marine mechanic.
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H​ello my name is ***** ***** am I speaking with? I read what you wrote. Mercury outbaords are cataloged by serial number, can I get that number so I can see which version of the 115 you have? Next, are you able to check things like spark output and fuel pressure?

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Customer reply replied 28 days ago
Hello Jason,
My Name is***** 115 EFI - SN 2B079093
I have an inline spark tester but have never used it with an outboard, can I disconnect a coil one at a time and use the inline spark tester between the coil and the spark plug under test, while leaving the other 3 connected normally? Also, I was going to pick up a cheap fuel injection pressure test kit from Harbor Freight to test with, would that work ok?Thanks,
Chris
Marine Mechanic: Jason, Marine Mechanic replied 28 days ago

H​I Chris. Lets start with the basics. Is the emergency stop switch clip in place?

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Marine Mechanic: Jason, Marine Mechanic replied 28 days ago

I ​don't want to get your hopes up to high on this one. Being and EFI engine, if the problem is ultimately some sort of sensor issue, we are not going to find it without a scan tool. However, we can check some of the basic things. Are you willing to get a fuel pressure gauge, as well as an adjustable gap spark tester? Something like this, in this link - https://www.amazon.com/Thexton-THE404-Spark-Tester/dp/B0002STSBM/ref=sr_1_9?s=automotive&ie=UTF8&qid=1522013287&sr=1-9&keywords=spark+tester Also, do you have any starting fluid?

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Customer reply replied 28 days ago
Understood, just wanted to check as many things as possible before having to take it in. I am definitely willing to purchase the items I need to test with. Here is a link to the Spark Tester I already have https://www.harborfreight.com/in-line-spark-checker-63590.html. And here is another link to the Fuel Injection pump tester, which appears that it would fit. https://www.harborfreight.com/fuel-injection-pump-tester-62623.html. While I do not have starting fluid on hand I can easily pick some up. Can I use the tools that I already have?
Marine Mechanic: Jason, Marine Mechanic replied 28 days ago

Yes you can use those tools. On the spark, just unplug the coils, plug it into the spark tester, crank the engine over, and see if there is spark on the tester. Just do 1 at a time on those. On the fuel pressure, just hook that up to the Schrader valve, cycle the key from off to run 3 times, and then see what the pressure reads.

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Customer reply replied 28 days ago
when I hook up the pressure tester to the schrader valve and turn the key from the off to run 3 times I get no pressure recorded, but if I turn the key to run and press down to prime I got around 40 psi. I also checked the spark on the very top plug and was unable to see anything. One more thing is that I hear nothing when I turn the key from off to run, but got several beeps when pressing the key down while in the run position.
Marine Mechanic: Jason, Marine Mechanic replied 28 days ago

but if I turn the key to run and press down to prime I got around 40 psi.​

​Okay that is not normal. Out of curiosity if you push the key down, and then hold it down and turn it to start at the same time, will the engine start or attempt to start?

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Customer reply replied 28 days ago
No it just turns over the same is if I was not pushing in on it.
Marine Mechanic: Jason, Marine Mechanic replied 28 days ago

Do you have a volt meter so we can test the key switch itself?

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Customer reply replied 28 days ago
I cannot do it right now as I have to go somewhere, but can definitely run through some tests later. I also picked up some starter fluid and have it available.
Marine Mechanic: Jason, Marine Mechanic replied 28 days ago

W​hen you get a chance pop the key switch out. Then hook you your meter to the purple wire on the back of the switch. Let me know if that wire shows 12V or not when the key is in the run position.

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Customer reply replied 28 days ago
Just checked and when the key is in the run position I get 12v on the purple wire and 0v when the key is in the off position.
Marine Mechanic: Jason, Marine Mechanic replied 28 days ago

I'm actually about to log off for the evening, almost bed time for me, and we can pick this back up in the morning. But just to confirm, the fuel pumps come on when you push the key switch IN? Is that correct?

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Customer reply replied 28 days ago
I verified that the pumps turn on, based on the associated sound, for approximately 5 seconds and then turn off.
Customer reply replied 28 days ago
have a good night, just let me know if you can think of anything else I can check.
Marine Mechanic: Jason, Marine Mechanic replied 27 days ago

G​ood morning. This key switch isn't working the way it is supposed to, and I'm confused by what you are witnessing. I just want to confirm. If you turn the key to RUN, you do not hear the fuel pumps kick on? However, if you push IN on the key switch, you hear the fuel pump run. Is that all correct?

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Customer reply replied 27 days ago
Good Morning, I just double checked and when I turn the key to run, I hear nothing, when I turn the key to run and press it in I hear the fuel pump run.
PS - My boat is parked outside in my driveway and it looks like a big storm is heading my way. Probably only have about another 30- 60 mins to test things today.
Customer reply replied 27 days ago
Do you think it would be worth a try to bypass the kill switch?
Marine Mechanic: Jason, Marine Mechanic replied 27 days ago

If what you say is accurate then you either have a bad key switch or some kind of short circuit in the wiring harness. Pushing "IN" on the key switch should not do anything on your engine. The IN position is for older carbureted engines. They simply use the same key switches because they are universal. On your engine, the fuel pumps should come on when you turn the key to run. At this point you would replace the key switch, and if for some reason that doesn't fix it, then we have to hunt for a short circuit and try and find it.

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Customer reply replied 27 days ago
ok, that makes sense. I will remove the key switch and order a replacement.
Marine Mechanic: Jason, Marine Mechanic replied 27 days ago

Let me know how you make out.

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Customer reply replied 27 days ago
I just ordered a new switch that appears to match the one I removed, and it should arrive in a couple of days. I will install and let you know what happens when I get it.Starter Switch Ordered:
https://www.iboats.com/shop/seadog-3-position-push-to-choke-mercury-ignition-switch-line.htmlThanks,
Chris
Marine Mechanic: Jason, Marine Mechanic replied 27 days ago

Okay Chris let me know how you make out.

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Customer reply replied 27 days ago
Hello Jason, I found the attached switch continuity test document online and the switch actually tests ok with a multimeter. I will go ahead and replace the switch when the new one arrives, but what would be the recommended next steps if replacing the switch does not fix the problem.
Marine Mechanic: Jason, Marine Mechanic replied 27 days ago

H​ere is kind of what I am having a hard time understanding. When you turn the key to run, this powers up the purple wire. The purple wire is what powers up the main power relay on the engine. The main power relay is what kicks on the fuel pumps. When you push the key IN, the key switch powers up the yellow with a black stripe wire. If this was a carbureted engine, that yellow/black would power up the choke. However, on the EFI engines, that yellow/black wire that comes off the key switch isn't attached to anything. It should be there just hanging off the back of the key switch, but not actually connected to anything. When you tell me that when you push your key switch IN and the fuel pumps come on. That tells me that the key switch is powering up the purple wire when you push the key IN, which it should not be doing.

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Customer reply replied 27 days ago
Interesting, the yellow/black wire has a quick disconnect between the switch itself and the directly attached 6 position wire plug, but it was connected. When it stops raining I will try to see if I can figure out where it connects to under the console.
Customer reply replied 27 days ago
Just FYI - I am not the original owner of the boat, so I am not sure what the previous owner may have done.
Marine Mechanic: Jason, Marine Mechanic replied 27 days ago

Have you ever personally seen this engine start?

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Customer reply replied 27 days ago
I have owned it for over a year now and it worked perfectly all last summer. This is the first problem I have had with it, but also the first time I have tried to start it after it sat idle over the winter. I put fuel stabilizer in it, filled it up and then ran it for a while before storage.
Marine Mechanic: Jason, Marine Mechanic replied 27 days ago

N​ot that this should matter all that much. But if you turn the key to run, and then push it in, does that yellow/black wire show power with the key pushed in?

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Customer reply replied 27 days ago
the yellow/black only has power when key is in run position and pushed in. I traced the Purple wire from the start switch and it is spliced into three leads, one going to the speedometer, one going to what looks like a small buzzer and the last one going to a 12 pin connector. I also traced the yellow//black wire from the switch and it is going to a white wire on the same 12 pin connector.
Marine Mechanic: Jason, Marine Mechanic replied 27 days ago

A​t this point I have no idea why the fuel pumps are coming on when you push the key to start. The 2 electrical circuits (the choke circuit and the ignition circuit) are not even connected, so I have no idea why it's happening. I will opt out and leave your question open to the community.

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Customer reply replied 27 days ago
one minor correction, the spliced purple wire actually goes to some other gauges and not the speedometer like I original stated, so when you turn the key to run the gauges (fuel level, tilt etc..) come on.
Marine Mechanic: Charles, Marine Mechanic replied 27 days ago
Charles
Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 4,231
Experience: US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
Verified

Hello, my name is***** you still require assistance on the engine?

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Customer reply replied 27 days ago
if have you read the previous correspondence and think you can help.
Marine Mechanic: Charles, Marine Mechanic replied 27 days ago

Yes, what is the brand of your boat?

Can you unplug that yellow/black wire and see if the engines fuel pumps will run with the key turned to on?

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Customer reply replied 27 days ago
My boat is 2014 Lowe Stinger 195DC. Unfortunately it is dark and raining so I can't try this right now, but as soon as I can I will test and let you know the results.
Marine Mechanic: Charles, Marine Mechanic replied 27 days ago

Great. I look forward to it.

When you get out to it, also look to the engine connector for the main harness. It is a large round connector. Unscrew it and disconnect it from the engine. Then give the boat side of the plug a slight wiggle or tug to see if the cable end will come off or stay. I have seen them come apart in the past.

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Customer reply replied 27 days ago
OK, will do... Thanks for the additional ideas.
Marine Mechanic: Charles, Marine Mechanic replied 27 days ago

Your very welcome. Ill talk to you when it dries out some.

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Customer reply replied 25 days ago
I had a few minutes are preformed the following tests.
1. Unplugged YEL/BLK wire from Ignition Switch - No change in turning key to run / Fuel pumps no longer come on when pushing in key.
2. Checked engine connector at the boat, based on your directions, and it appears to be OK.
3. Tested Neutral Start Safety switch - Tests OK (Open circuit when in gear / Closed circuit when in Neutral)
4. Tested Kill Switch - Tests OK ( Run = Open circuit / Off = Closed circuit)
5. Tested Fuel Pressure at Schrader valve - 0 PSI when cycling ignition switch from run to off several times / 50 PSI when in run and pressing in on key. Just wanted to verify that the fuel pumps were in fact, not coming on when the key was in run.Have to get back to work, but thought I would share what I was able to test out. While I thought the ignition switch tested OK with an ohm meter based on an online document I found, I do have a new one on order based on Jason's recommendation, as the old won was a little sticky anyway.
Marine Mechanic: Charles, Marine Mechanic replied 25 days ago

Has the connector between the engine and the boat come apart in the past? It is the large round connector on the right side of the engine. Disconnect it and make sure that all is still ok there.

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Customer reply replied 25 days ago
That is what I did on test 2 listed above. I unscrewed the connector looked at all the pins and screwed it back on. I was unable to find anything wrong with it.
Customer reply replied 25 days ago
The connector between the boat and the engine has never come apart in the past.
Marine Mechanic: Charles, Marine Mechanic replied 25 days ago

Ok, does the fuel gauge read out when the key is just turned to on? Or does it only read when you push the key in?

Can you take that 12 pin connector apart in the dash, the white one you mentioned earlier, and see if any of it is melted?

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Customer reply replied 23 days ago
Ok, it finally stopped raining here in St Louis.
When I turn the key on both the fuel gauge and the trim gauge respond. I checked both of the large white connectors under the console and there does not appear to be any damage to them.
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

Is the new key switch in yet?

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Customer reply replied 23 days ago
No I did not want to change a bunch of things while testing since the old switch did test OK. I can do so if you think we should at this point.
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

I feel that since you already have it, might as well put it in and start eliminating things. All the tests are coming back as good, but there is something that is just not right.

Before you install the switch, try and get a look at the entire run of the harness between the key and the engine. Make sure that there are no breaks or chew marks in it. I have seen rodents tear up some over storage times.

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Customer reply replied 23 days ago
OK, so I replaced the ignition switch and no change in symptoms.
When I turn the key ON the Fuel & Trim gauges come on but I do not hear the Main Relay click nor does the Fuel pump come on.
Since I have already verified that I get power to the purple wire from the ignition switch when I turn the key to run, Is there a test I can run closer to the motor, maybe at the Main Relay, to verify I am getting the correct power at that point when I turn the key on?
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

You can test the power to the relay. the 12V + is on the yellow or purple wire going to the relay. It is only there for the first few seconds after key up.

Did you look at the harness from the engine to the motor?

Have you seen this engine run?

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Customer reply replied 23 days ago
ran perfectly last year, problem occurred when trying to start after winter storage.
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

Have you done anything to the batteries since it last ran?

do you have a piece of scrap wire, I have an idea for a test.

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Customer reply replied 23 days ago
Main Relay Test
Key off
Red = 12v
R/W = 0v
R/P = 12v
Y/P = Fluctuating Voltage
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

do you have a helper to do the key on test?

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Customer reply replied 23 days ago
batteries fully charged and even tried a second battery
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

Would be interesting to know.

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Customer reply replied 23 days ago
I do have a helper
Customer reply replied 23 days ago
could that Fluctuating Voltage be due to a short in the wiring?
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

Yes it can, that is why I mentioned to check the harness from one end to the other.

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Customer reply replied 23 days ago
when I disconnect the main round wiring connector, I still get the Fluctuating Voltage.
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

What does it get up to?

Can you take one of the trim relays and swap with this relay to see if the voltage stops?

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Customer reply replied 23 days ago
I am checking the wiring while it is unplugged from the relay
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

That would be a back feed due to no ground to kill it from the ECU and the key switch.

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Customer reply replied 23 days ago
OK, So what would be the next steps?
Customer reply replied 23 days ago
You mentioned a test using a scrap wire, what were you thinking.
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

For the wire, unplug the key switch at that 12 wire plug in the dash, then jump, using that scrap wire from the red to the purple and see if the pumps run on the engine.

Have you also looked at the harness from the helm to the engine?

Also, have you had anything installed or removed that would require part of the rear of the boat ro come up?

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Customer reply replied 23 days ago
Not sure how to check the harness, most of it is inaccessible. I looked at both ends but could not find anything wrong. I will run the jump wire test and let you know the results.
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

There is that corner plate in the rear of the boat that can be taken up to give you a bit of a look. It will be screwed to the floor and possibly to the side as well. Using a phillips screwdriver to move the carpet around, you will find the screw heads.

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Customer reply replied 23 days ago
Jumping the purple to red does nothing.
Customer reply replied 23 days ago
OK, I will see if I can get the corner plate of tomorrow and take a better look at the wiring.
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

Sounds good. The plate where the control box is mounted will come off too if needed.

If you have had anything installed, even a transducer, there is the possibility that a screw has gone thru the harness and that is causing this whole mess.

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Customer reply replied 23 days ago
I did install a GPS module for my Lowrance and used a wire snake to get it through the side of the boat, but did use the boat a couple of times after that with no issues.
Marine Mechanic: Charles, Marine Mechanic replied 23 days ago

Look around the areas where you mounted that antenna, there may be an issue. As a test you could pull the mounting screws from it and see if the engine behaves correctly.

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Customer reply replied 22 days ago
OK, so I just checked the wiring harness from the large white connector under the console back to the large round plug that plugs into the engine. I verified continuity from each end of every wire and even checked every other wire for any bleed over and the cable tested OK.
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

That is good news. But not really.

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Customer reply replied 22 days ago
I would agree. Is there a sensor that could prevent the fuel pump from coming in when I turn the key on?
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

There are a couple. But pushing in the key should not over ride them. Question, is there a primer bulb in the fuel line?

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Customer reply replied 22 days ago
I installed one after the engine would not start and I saw no fuel was getting to the fuel filters.
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Ok, on the upper left side of the engine there is a green cap. Remove it and press in on the schreder valve inside there. It may help to follow that hose to where there is a quick connect, then press in on the red or blue tab on the connector and seperate the two hoses. What you are looking for is any fuel that may come out of this hose.

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Marine Mechanic: Charles, Marine Mechanic replied 22 days ago
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Customer reply replied 22 days ago
OK, so I removed the valve from the purge vent and then disconnected the hose from the bottom of the canister assembly vent and no fuel came out. There is also a small canister device to the left of the purge vent going to the air filter. Should air flow freely through that vent. When I blow into the purge vent and plug the hose going to the canister assembly it appears to be blocked going towards the air filter.
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

The canister is the vent purge valve. It is controlled by the ECU as to when it will open and close. Since you did not get any fuel from that hose, unplug the harness from that valve and try your key again.

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Customer reply replied 22 days ago
It appears that we have made progress, but the boat will still not start. Now with the canister harness connected or not, when I turn on the key the fuel pump does eventually come on but cycles on and off multiple times and there is a lot of associated beeps with it. See the video here: https://youtu.be/bhEvTLJYJX4
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Ok, press on the schreder valve in the high pressure fuel line going to the injectors and see if you have pressure there.

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Customer reply replied 22 days ago
50lbs when the fuel pump is cycling while the key is on
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Does it seem to want to fire at all?

If not, pull one pf the plugs and see if they are wet

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Customer reply replied 22 days ago
pulled top plug and it appears to be dry
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Ok, plug in that sensor to stop the alarm and check those pumps again.

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Customer reply replied 22 days ago
the sensor was plugged back in on the video I sent over
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Is any sensor unplugged?b That code is for a sensor.

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Customer reply replied 22 days ago
not that I am aware of
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

That would also include the coils.

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Customer reply replied 22 days ago
Everything is connected and I get the same results. I baught a single adjustable ignition spark Gap tester. Can you walk me through how to verify we are getting a spark. can I just disconnect one coil and place the spark Gap tester inline between the coil and ground, while the other coils are connected as normal?
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Yes you can do it that way. Make sure that the tester is plugged in firmly to the coil.

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Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

It is easiest to unplug the cils before taking them out.

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Customer reply replied 22 days ago
the coil does not seem to clip onto the plug/tester but instead has a spring in it. Can I hold the coil against the tester and watch for spark while the other end is grounded. Please see attached picture and let me know if you think this is ok. Of course I will keep my hands away from the other end.
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Yes, but set that gap to 7/16"

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Customer reply replied 22 days ago
ok, so I checked for spark on the top 2 coils using with the use of a jump switch at the selinoid. I tried with the key on and off and see no spark.
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Is the kill switch at the control box connected and on?

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Customer reply replied 22 days ago
it is connected and in the run position
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Try the spark with the large round 14 pin connector disconnected. You will need to jump the solenoid again.

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Customer reply replied 22 days ago
same result and I also verified that ground I am using for the test is good
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Still have that multimeter? If so, unplug the crank position sensor, and do a resistance test on it. It needs to be 330 Ohms.

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Customer reply replied 22 days ago
but not sure where the crank position sensor is located
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

Under the plastic cover on the top of the engine. Pointed at the flywheel. It has two wires coming from it to a plug in.

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Customer reply replied 22 days ago
it reads 314
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

It is good.

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Customer reply replied 22 days ago
well I think I am going to wrap it up for tonight, but if you think of anything else please let me know and when i get back to it, I will let you with the results.
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

I think at this point it really may need to get into a Mercury shop and be connected to the computer so that the cause of the alarm can be determined.

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Customer reply replied 22 days ago
Yeah, I was afraid that might be the case. There is a 3-4 week wait at the local shop so I was hoping we could figure it out. I really appreciate your help, If nothing else I learned quite a lot about my boat and engine.
Marine Mechanic: Charles, Marine Mechanic replied 22 days ago

I was hoping that we could get thru it as well. I hate to send them to the shop at this point, but we have done about everything that can be done without the computer on it.

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Marine Mechanic: Charles, Marine Mechanic replied 21 days ago

I was sitting here thinking, your engine should still be under the factory warranty also. Make sure that the dealer checks the status on it.

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Customer reply replied 21 days ago
Thanks, ***** ***** it is. When I called them last week they told me it is covered until 2019 under the "Gold" plan.
Marine Mechanic: Charles, Marine Mechanic replied 21 days ago

Ugh, Gold is ok, it has its imitations though. Most everything electronic is not covered on it. BUjt if the standard warranty recently expired, maybe the dealer can make a call to Mercury to get at least the parts covered and you only need to cover labor. This can still save hundreds on a repair for even just a fuel injector.

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Customer reply replied 21 days ago
Good to know, thanks for the info. I am making a list of all the items we have already tested. Hopefully it will help them isolate the problem a little quicker.
Marine Mechanic: Charles, Marine Mechanic replied 21 days ago

It should, we went through allot of items.

Just as a quick last test, turn off the kill switch, then see if the pumps turn on when the key is turned to run.

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Customer reply replied 21 days ago
With the kill switch on, when I turn the key on I get no clicking, beeps, nor do the fuel pumps turn on. I also checked the battery under load and while cranking it drops from approximately 12.4v to around 10.8 v.
Customer reply replied 21 days ago
I meant with the kill switch off.
Marine Mechanic: Charles, Marine Mechanic replied 21 days ago

That is enough battery volts to run the ECU while cranking. I hate to send one in after everything that has been done, so the kill switch was just a thought.

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Customer reply replied 21 days ago
I appreciate it, If you think of anything else just let me know. Thanks again for your help. I will let you know what they find.
Marine Mechanic: Charles, Marine Mechanic replied 21 days ago

I would really be interested to know what they find out for sure.

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Charles, Marine Mechanic
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Experience: US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.

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Meet the Experts:

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

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Ted G.

Rigger, Diagnostician

695 satisfied customers

40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

John White

John White

Marine Mechanic

306 satisfied customers

11 years experience working on outboards, inboards, sterndrives & pwcs

Jason

Jason

Marine Mechanic

16,760 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,003 satisfied customers

40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

Marine Mechanic

4,728 satisfied customers

42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance

Captain Dave

Captain Dave

Marine Mechanic

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USCG Licensed Captain, 20+ Years Boating, Fishing, Maintenance and Repair Experience

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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