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Under the coilpacks
Code 42 on an Oldsmobile Cutlass Ciera means you have a faulty ignition control module. You should inspect all electrical connectors to ensure they are tight.
can i reset it or replace it ,where is it on the car
The ECM is located behind the glovebox on a 1991 Cutlass Ciera. Pull the glove box out to see it. Once located remove the mounting hardware and unplug it from the car. Replace the unit.
yes, most of the panels can be used from one to the other
Yes, you do.
how do you replace the headlight switch on a 1993 cutlas ceria*
if its like my 87 olds ciera 4cyl its attached behind the ignition moduallType your answer here...
where is the knock sensor located on 93 cutlass ciera
where is cam senor on a 91 cutlass ciera 3300
i used this document for my 93 ciera. amazingly easy to follow. http://www.installdr.com/InstallDocs/GM/PDF/460009.pdf
Thermal relay is stuck. Replace it.