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rpmdiag, Tech and Instructor
Category: Car
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Experience:  Since 1975
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1990 oldsmobile 88: check engine light..temp light..intermittently

Customer Question

1990 oldsmobile 88, check engine light and temp light flashing when key is in on position. Will start intermittently, but runs very rough like its flooded. Also ear clicking under hood from fuel injectors or relay
Submitted: 7 years ago.
Category: Car
Expert:  rpmdiag replied 7 years ago.



To start with, we MUST get the codes out of the computer to guide you to the problem. there are numerous things that can cause this, we don't want to guess.


Thanks for your question and positive feedback,



rpmdiag and other Car Specialists are ready to help you
Customer: replied 7 years ago.
Cannot get any codes. When you insert the jumper to get codes the check engine light and temp light flash along with the fuel injectors
Customer: replied 7 years ago.
Relist: I still need help.
you cant get any codes. when you jumper the plug to get codes, the check engine light and temp light flash along with the injectors
Expert:  rpmdiag replied 7 years ago.

Then you need to test the powers and grounds. If they are good, then the computer has a problem by those symptoms.


Thanks again,



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