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Charles
Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3342
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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Engine cranks but won't start... Volt gauge stopped working

Customer Question

Engine cranks but won't start... Volt gauge stopped working as well
Submitted: 4 months ago.
Category: Boat
Expert:  Jason replied 4 months ago.

Hello my name is ***** ***** am I speaking with?

What are we working on?

Customer: replied 4 months ago.
Hi this is Jamie. This is an aq260 serial number 14010207 5.7l gm block
Expert:  Jason replied 4 months ago.

Hi Jamie,

What is the history on the engine, have you ever personally seen it start?

Customer: replied 4 months ago.
Have had boat about 3 years . Has twin motors starboard motor is the problem. Yes it has run fairly well till now. Turning over it will fire with lots throttle but dies right away. Put in new icm and starter( thought maybe a short )
Expert:  Jason replied 4 months ago.

What is an ICM?

Customer: replied 4 months ago.
Ignition control module
Expert:  Jason replied 4 months ago.

An AQ260 would have points ignition. Has the ignition systems been changed on these engines?

Customer: replied 4 months ago.
I think . It has a Mallory distributor now with the module
Expert:  Charles replied 4 months ago.

Hello, my name is***** will assist you.

Check and make sue that you are getting plenty of fuel to the engine, it sounds like you are actually starving for fuel and not losing the spark. Also make sure that you do not have any water in your fuel.

Customer: replied 4 months ago.
Just did a tune up . Changed all the filters even the one in the carb... looking in the carb it sprays fuel when hitting the throttle when starting and when the is off
Customer: replied 4 months ago.
When the key is off... is what I meant to say
Expert:  Charles replied 4 months ago.

As long as there is fuel in the bowl, it will spray fuel when you advance the throttle.

Customer: replied 4 months ago.
OK I'll pull the fuel line off the carb turn it over and make sure fuel is coming out ? When I changed the fuel filter in the carb I cross threaded the fitting and when attempting to start fuel poured out but I'll actually put a little bucket with the line off and make sure.
Expert:  Charles replied 4 months ago.

With the fuel spraying out of the fitting, you may not be getting enough to it to fire the engine off.

Customer: replied 4 months ago.
This was me checking that filter after a couple of days of troubleshooting. Was thinking that filter might be clogged . Am ordering a rebuild today but will seal up the leak so I can continue trying until the new carb arrives but like I said it was after days of attempting to fix.
Expert:  Charles replied 4 months ago.

Will the engine run if you put fuel into the intake?

Customer: replied 4 months ago.
I'm heading there in about an hour...I'll report when I'm there! Thanks
Expert:  Charles replied 4 months ago.

Your welcome.

Customer: replied 4 months ago.
I'm sorry Charles I'm going away till Saturday. I'll try to get down there on Sunday.
Expert:  Charles replied 4 months ago.

No worries. Ill be here most of the day, except when the race is on.

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