CHECK ENGINE LIGHT ON CODE 12

1994 Geo Prizm

Tiny

rsesche

September, 20, 2011 AT 3:45 PM

Car runs well but check engine light came on a few days ago. I tried pulling ECM fuses but code came right back. What should I do next and can I still drive the vehicle. Also it is impossible to make a donation on your site. It keeps telling me "donation must be at least 2 dollars" it does not matter what sum greater than or equal to 2 dollars I enter.

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3 Answers

Tiny

ASEMaster6371

September, 20, 2011 AT 3:50 PM

Code 12 is normal if the engine is off and the key on. If it is running, then it is a problem with the computer not seeing a rpm signal either from the crank sensor or distributor.
You need a shop to verify and confirm and give you a bid.

Roy

Tiny

rsesche

September, 20, 2011 AT 7:57 PM

It is when running. Thanks for the quick response

Tiny

ASEMaster6371

September, 20, 2011 AT 8:18 PM

You need to find out which part is at fault. It will not clear till the problem is fixed. Find a shop familiar with OBD1 systems to check this out for you.

Roy

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