fuel inyection

5

Asked by May 20, 2013 at 05:38 PM about the 1989 Buick Riviera STD Coupe

Question type: Maintenance & Repair

i have a buick reatta 89 and one of the 6 inyectors don't work what can it be the problem the other 5 works well?

6 Answers

94,985

Unplug the suspect injector and use a "noid" light to check for injector pulse, if you have pluse then replace the injector.

1 of 1 people found this helpful.
98,075

"what can it be the problem? " - either it's not getting the pulse to open or the coil is bad. Third possibility is a clogged nozzle. -- You can check the coil with a ohm meter if you don't have a noid light handy. A good coil should be around 12 ohms resistance.

Best Answer
5

thank you very much for your answer i am go in to check of the coil wen you say the coil you mean the fuel inyection module?

94,985

But tenspeed that still won't tell him if he has a pulse for the injector, only the ohms for the injectors coil assembly.

1 of 1 people found this helpful.
98,075

Fantasma - the coil is in the fuel injector. When the voltage is applied, the valve open and fuel sprays out. //// Tennisshoes - If he has a good coil, you can assume the pulse is not there. More people have meters than noid lights.

7,185

my injector was out due to a bad wire harness, years ago.

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