MY CAR RUNS BUT THE FUEL INJECTOR 3 THOSE NOT ...

2003 Dodge Neon

Tiny

joelmartinezg

March, 21, 2013 AT 7:11 PM

My car runs but the fuel injector 3 those not work after I change the head gasket check all the wire on it an their is no cut wires check conections and still not pulsing can the pcm be damage

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6 Answers

Tiny

Wrenchtech

March, 21, 2013 AT 7:17 PM

What's missing power supply or pulse?

Tiny

joelmartinezg

March, 21, 2013 AT 8:35 PM

I am sorry the fuel injector it was stock on like spraying all the time constenle and it did not pulse I change the injector and it stop working I put it in another injector and it those work so I check the volts coming and it reads 13 and it moves just a little and the other ones have like 13volts but they pulse from 13 to like12.56 volts I took the car to the dealer and they toll me to check for pinch wire I took the car home check all the wires I found one pinch wire fix it and still the same so I was thinking it was a pcm problem

Tiny

Wrenchtech

March, 21, 2013 AT 8:39 PM

You need to test that signal at the plug using a noid light. The computer pulses the ground signal but you can damage the computer if you test it with anything else.

http://i602.photobucket.com/albums/tt106/Desi501/Noidlightpair__.jpg

Tiny

joelmartinezg

March, 21, 2013 AT 8:49 PM

Where can I get noid light is that like a fuse checker thing

Tiny

joelmartinezg

March, 21, 2013 AT 11:32 PM

Thanks for your help

Tiny

Wrenchtech

March, 21, 2013 AT 11:58 PM

Most any tool supplier carries them. They are sold either is set for various makes or sold individually for less than $10.

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