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internal88
internal88, Auto Mechanic
Category: Car
Satisfied Customers: 1732
Experience:  I've been working with automotive industry for almost 20 years. I also have an engineering background. Saving one car at a time.
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Sidekick: engine compartment..rpm..use high pressure under the hood

Customer Question

I washed the engine compartment and now my 1.8L Sidekick will only run if I can get it over 3k rpm. I remembered too late that I should not use high pressure under the hood. I have pulled all of the connections that I can get to and checked for water. I sprayed each connection with electrical contact cleaner and then re-installed when they were dry. I didn't see any evidence of water in the connections. I had pulled the codes the day before and it showed both O2 sensors as faults. This sounds more like an EGR issue, but I don't want to buy the EGR for $230 and it not be the problem.
Submitted: 2 years ago.
Category: Car
Expert:  internal88 replied 2 years ago.

Customer: Hi welcome to justanswer.
Customer: Im going to try to help you out.
Customer: Why do you think is the egr problem? Since the one code is pointing o2 sensors
JACUSTOMER-6ri6t3un- :

The two codes were pulled before this problem. The engine is running too poorly to get the vehicle to Autozone to pull new codes

JACUSTOMER-6ri6t3un- :

At first the vehicle ran rough at idle, now it will not idle at all. In order to drive the vehicle, I have to get it above 3k rpms.

Customer: What year is the car?
JACUSTOMER-6ri6t3un- :

1997

JACUSTOMER-6ri6t3un- :

1.8 liter

Customer: Your car is having a misfire, did you know that?
JACUSTOMER-6ri6t3un- :

yes

JACUSTOMER-6ri6t3un- :

it was running fine before washing it

Customer: Did you make sure there is no water in the ignition system?
JACUSTOMER-6ri6t3un- :

checked the coil modules on the top of the motor, have not checked the distributor

JACUSTOMER-6ri6t3un- :

not sure where to check for the distributor

JACUSTOMER-6ri6t3un- :

looking at the back of the cam at what should be the distributor

JACUSTOMER-6ri6t3un- :

pulling the cover off now

Customer: There is water inside your distributor. It is siting there.
Customer: When the rom is up the water is force out. Centrifugal force!
JACUSTOMER-6ri6t3un- :

ok, trying to pull the cover off

Customer: I meant when the RPM is up , the water is force out bt centrifugal force.
Customer: Also it is arching and electricity is trying to ground.
Customer: Try to dry it by pressure air.
JACUSTOMER-6ri6t3un- :

not much for tools here, I am 3 hours from home

Customer: Blow it as much as you can.
Customer: With your mouth.
JACUSTOMER-6ri6t3un- :

I have electrical contact spray also

JACUSTOMER-6ri6t3un- :

still trying to remove the cover

Customer: That will work
JACUSTOMER-6ri6t3un- :

have to buy a small screwdriver

JACUSTOMER-6ri6t3un- :

short

Customer: Ok.... Let me know when you return
JACUSTOMER-6ri6t3un- :

It was the cam position sensor. There was no evidence of water inside and it does not run better after removing it and cleaning the inside.

Customer:

so you changed the cam sensor?

JACUSTOMER-6ri6t3un- :

no, just checked for water and cleaned inside the cover

JACUSTOMER-6ri6t3un- :

it was clean with no water

Customer:

Obviously you don't know the specific code?

JACUSTOMER-6ri6t3un- :

no, I cant get it to the shop to check it

JACUSTOMER-6ri6t3un- :

this model does not have a distributor

JACUSTOMER-6ri6t3un- :

or traditional coil

JACUSTOMER-6ri6t3un- :

the coils module is at each spark plug

Customer:

It's a coil on plug

JACUSTOMER-6ri6t3un- :

yes

Customer:

i'm going to my database hold on

JACUSTOMER-6ri6t3un- :

ok

Customer:

Full Size Image

Customer:

This is diagram for the ignition system

Customer:

ck #4 ignitor

JACUSTOMER-6ri6t3un- :

the image isn't coming up

JACUSTOMER-6ri6t3un- :

looking for the ignitor

Customer:

I'm about to give some procedure to check other component

JACUSTOMER-6ri6t3un- :

thank you

Customer:

Full Size Image

Customer:

I need you to do the spark plug test and fuel injector test if you can

JACUSTOMER-6ri6t3un- :

I can't pull the images up

Customer:

how come?

JACUSTOMER-6ri6t3un- :

is checking the spark plug just like testing on a more traditional engine?

Customer:

Yes

JACUSTOMER-6ri6t3un- :

pull the plug, connect the cable, and ground it?

JACUSTOMER-6ri6t3un- :

check for spark?

Customer:

yes sir

JACUSTOMER-6ri6t3un- :

ok

Customer:

If is good condition then check fuel

Customer:

fuel injector

JACUSTOMER-6ri6t3un- :

just check #4?

Customer:

but most likely is the spark

Customer:

i am positive is the ignition system

JACUSTOMER-6ri6t3un- :

I have to go buy more tools to pull the plug

JACUSTOMER-6ri6t3un- :

it is 2200, so it will be tomorrow morning

Customer:

are you on the road?

JACUSTOMER-6ri6t3un- :

yes

JACUSTOMER-6ri6t3un- :

and no

JACUSTOMER-6ri6t3un- :

going to stay at a friends house

Customer:

sorry to hear that

JACUSTOMER-6ri6t3un- :

and work on it in the morning

JACUSTOMER-6ri6t3un- :

thank you

Customer:

ok wait

JACUSTOMER-6ri6t3un- :

should I click accept?

JACUSTOMER-6ri6t3un- :

?

Customer:

yes, please

Customer:

Thank you sir

JACUSTOMER-6ri6t3un- :

I clicked accept and then it took me away from chat

Customer:

I have two suggestions for you.

JACUSTOMER-6ri6t3un- :

ok

Customer:

Why not buy yourself a obd2 scanner

JACUSTOMER-6ri6t3un- :

ok

Customer:

a cheap one cost $50

JACUSTOMER-6ri6t3un- :

any suggestions about which one?

Customer:

Where is near autozone or advance auto?

JACUSTOMER-6ri6t3un- :

not too far

JACUSTOMER-6ri6t3un- :

I am in Houston at the moment

Customer:

ACTRON is the brand

JACUSTOMER-6ri6t3un- :

ok

Customer:

59.99

Customer:

i just check

Customer:

Its better then replacing the wrong part and waste so much of your time.

Customer:

Tomorrow morning run the code and update me.

JACUSTOMER-6ri6t3un- :

it is in stock at the nearest Autozone

JACUSTOMER-6ri6t3un- :

I will get it in the morning

Customer:

Call them first, they should have one.

JACUSTOMER-6ri6t3un- :

I will do so

Customer:

We will fix it together tomorrow.

Customer:

Have a good night.

JACUSTOMER-6ri6t3un- :

thank you

JACUSTOMER-6ri6t3un- :

good night

JACUSTOMER-6ri6t3un- :

how do I get in touch with you if I finalize and accept?

internal88, Auto Mechanic
Category: Car
Satisfied Customers: 1732
Experience: I've been working with automotive industry for almost 20 years. I also have an engineering background. Saving one car at a time.
internal88 and 7 other Car Specialists are ready to help you
Expert:  internal88 replied 2 years ago.
I think you can still update this thread and follow up. If not just PM me. The name isCustomerbr/>

Customer: replied 2 years ago.
I pulled the coil/plug assembly on cylinder number 1 and I saw no spark.
Expert:  internal88 replied 2 years ago.

The coil on plug shorted out and you will need to replace it.

Also replace the spark plug with NGK BKR6E.

Customer: replied 2 years ago.
I pulled the coil/plug assembly on cylinder number 1 and I saw no spark.

Codes are:
P0123 Throttle Pedal position sensor A circuit high input
P0122 Throttle Pedal position sensor A circuit low input
P0102 Mass or volume Air Flow A circuit low input
P0113 Intake Air Temperature sensor 1 circuit high input
P0136 Oxygen Sensor circuit bank 1 sensor (see P2270, P2271)
P0134 Oxygen Sensor Circuit no activity detected bank 1 sensor 1
P0302 cylinder 2 misfire detected
P0136 same code as above
P0134 same code as above
P0302 same code as above
Expert:  internal88 replied 2 years ago.

Use a voltmeter to check the voltage output.

P0123 Throttle Pedal position sensor A circuit high input - The TP sensor output voltage should be > 4.8V

P0122 Throttle Pedal position sensor A circuit low input - TP sensor output voltage < 0.1V

P0102 Mass or volume Air Flow A circuit low input - Should be less than 0.3V MAF sensor output voltage continues for 1 sec.
P0113 Intake Air Temperature sensor 1 circuit high input - IAT sensor output voltage > 5.0V
P0136 Oxygen Sensor circuit bank 1 sensor (see P2270, P2271) - We knew the 02 sensor is already damaged.
P0134 Oxygen Sensor Circuit no activity detected bank 1 sensor 1
P0302 cylinder 2 misfire detected - Check the COP.
P0136 same code as above
P0134 same code as above
P0302 same code as above

 

Check all the recommendation I have gave you. A voltmeter will be very helpful for this procedure.

I am hoping is not ECU.

Expert:  internal88 replied 2 years ago.

Disconnect throttle position sensor connector from vehicle harness and measure resistance at connector of throttle position sensor.
At closed throttle:
Terminals 1-4 resistance value: 4.25-8.25 kohms
Terminals 2-4 resistance value: 0.3-6.3 kohms
At full throttle:
Terminals 2-4 resistance value: 3.5-10.3 kohms

CAUTION: Perform this inspection with engine stopped after it has been warmed up.graphic

Customer: replied 2 years ago.
My TPS only has 3 conductors
1 to 3 ohms is 5.30
1 to 2 ohms is 0.03

With the key on I get the following TPS voltages from the connector
1 to 3 voltage is 5.11
1 to 2 voltage is 0.00
2 to 3 voltage is 4.66

Is the MAF sensor like an anemometer, with two coils in the air stream?
Customer: replied 2 years ago.
The ohms readings are in kohms. I can't warm the engine up, it will no longer start.
Expert:  internal88 replied 2 years ago.

Now the vehicle does not start at all.

Are you getting 12.6 V or above at the battery? If yes, check your starter. Do you know how to check the starter?

Do you have a Maual transmission? If yes, check clutch pedal switch.

 

Expert:  internal88 replied 2 years ago.

The diagram is showing 3 terminals. Remember you have to Disconnect throttle position sensor connector from vehicle harness.

Noted #2 and #3 is the middle terminal.

Expert:  internal88 replied 2 years ago.

Let me know if you need anything else. Like diagram and schematic.

Expert:  internal88 replied 2 years ago.
The MAF Is a thermistor with a platinum wire and An electronic Control circuit. It measures the temperature Of the incoming air.

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internal88
internal88
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I've been working with automotive industry for almost 20 years. I also have an engineering background. Saving one car at a time.