LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

testing injectors

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Old 08-18-2005, 12:37 AM
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testing injectors

I have been posting for the past few days trying to get a miss i have figure out, THANK YOU for the replays on the earlyer stuff. Heres the question is there a way to make sure that the injectors are working right beside useing a noid (spelling) light to check pluse, and meter checking resistants of the injector???? Im trying to see if i have a pluged injector or something leading to a miss , just buy elemination.
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Old 08-18-2005, 07:53 AM
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Re: testing injectors

Swap all the injectors from one side to another. If the miss moves to the other side of the motor, then you know its an injector.
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Old 08-18-2005, 09:32 AM
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Re: testing injectors

Un plug the coil wire (You don't want the car starting). Pull the fuel rail up so the injectors are out of the intake. Have someone turn the car over and observe the injectors spraying. They should look like a conical mist coming out. It will happen so fast the spray will look steady, but you can tell they are pulsating. If you check fuel pressure, then you have troubleshooted your fuel system.

ZMAN
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