can the fuel injectors be checked separate from each other off the car and the fuel pressure regulator

Asked by fugate49 Sep 15, 2012 at 12:54 PM about the 1990 Oldsmobile Cutlass Supreme 4 Dr SL Sedan

Question type: Maintenance & Repair

we have the car torn down doing some other work to it and we want to check the fuel preesure regulator and each fuel injector also is there a way to test each one off the car.

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John answered 12 years ago

I have seen 3 or 4 devices that show an injector working but I don't know if that was strictly for school for learning or if they are used in the field. Only way I can see an injector being tested other than resistance is removing the fuel rail with everything still connected and each injector hovering over a container. Crank the engine and measure the fluid amount after a certain amount of cranks.

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