Question about 1988 Oldsmobile Cutlass Ciera

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1988 Olds cutlass ciera trouble codes

I have three codes from my car 12, 15, and 34. I can't find the problems that go with these codes anywere. I think 12 is the coolant sensor but I just replaced that yesterday. The car stumbels around 35 to 45 and sometimes at 50. Does not cut out unless at idle right after it stumbles.

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I have a 1988 Oldsmobile Cutlass Ciera 3.8 ltr and for the life of me can't find out how to check the codes. I have looked and can't find the OBD1 plug in. I have been told I need to jump a and b something or another with a paper clip and read the lights on the dash. Can anybody fill me on how to do this. Thank you.

Posted on Jul 10, 2011

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12 = system normal ( Trouble codes come after this one), 15 = coolant sensor low, 34 = MAF-MAP sensor ( Mass Air Flow )

Posted on Oct 06, 2009

Testimonial: "Thank you so much, very helpful. Tested MAF today by unplugging it and it acts the same as it does when it cuts out. Going to replace it tomorrow."

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Code 12 just means that the computer doesnt see the motor running.Code 15 means that the coolant temp sensor is stuck at below 30 degrees.You may need a coolant temp sensor or you have a wireing problem.Code 34 is related to the mass air flow sensor and really needs a scan tool to proporly diagnos.Although you can check it for loose conections and visible damage and if none you will have to have the data stream from the computer to check the mass air flow sensor.You could always roll the dice and change it out.Let me know if this helped at all.

Posted on Oct 06, 2009

Testimonial: "Thank you so much. I unplugged the MAF sensor and it acted just like it does when it cuts out going to replace it tomorrow. Thank you."

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I have 92 olds cutless 3.1 v6 setting codes 35 what is it

Posted on Mar 25, 2011

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