Feul injector

TONYT405

MEMBER
1989 CHRYSLER CONQUEST
4 CYL
2WD
AUTOMATIC
55,855 MILES

Car wont start. One injector not receiving power when test with a test light. Had to replace broken wire on the injector that is currently working, but there is no noticeable broken wire on the other injector.

Sunday, December 5th, 2010 AT 4:36 AM

4 Replies

CARADIODOC

MECHANIC
33,916 POSTS

Check for voltage to the injectors for only the first second after turning on the ignition switch, then again during engine cranking. Also check for spark. Don't just stop at the fuel system.

Caradiodoc

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Sunday, December 5th, 2010 AT 5:10 AM

TONYT405

MEMBER
4 POSTS

Car is getting spark from coil, as well as spark plugs. I figure that I should jump wire from 1st to 2nd injector and see what happens. Voltage is there, car was initially running, and all was done at that time was tighten up throttle body bolts, and car cut off.

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Monday, December 6th, 2010 AT 4:09 PM

CARADIODOC

MECHANIC
33,916 POSTS

Hmmm. Can't find a service manual for this car, but it sounds like you have the problem identified with the missing power wire. Can you trace it back in the harness to a splice that might be corroded?

Caadiodoc

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Monday, December 6th, 2010 AT 4:19 PM

TONYT405

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4 POSTS

I traced the harness on the not working injector, but their is no visual corrosion, so I'm thinking that it may bee the injector or the module by the left-side wheel well. That is where the corrosion initiated and could have shorted inside the box.

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Tuesday, December 7th, 2010 AT 3:17 AM