Question about 1988 Oldsmobile Cutlass Ciera

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I have a 1988 Olds Cutlass Ciera (2.5L)with engine problems that I cant figure out. Originally the car would start and run for a second or two and shut down. It would die because the injector would stop spraying. Good fuel pressure at the injector. Replaced the computer with one from the junkyard (swapped the chip but it runs the same with both)and now the car starts when the gas is pressed in but the injector only sprays in 1 second pulses every other second. When you let off the gas it dies. Seems like I fixed one problem and now theres another...possibly a bad ECM from the junkyard? I just dont know. Ignition control module tested good also.

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  • aric_l Jul 15, 2011

    I have not checked the cam sensor, not even sure where it is located. Is there an easy way to test the sensor such as simply measuring its resistance? It just seems strange that changing out the ECM would change the problem if that wasnt the problem in the first place.

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Probrably injectors not firing right

Posted on Jul 16, 2011

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Have you checked the Cam sensor? The Cam sensor controls the injector pulse.

Posted on Jul 15, 2011

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