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Fried PCM

9

97gpl36

New member
I was scanning my car last night trying to find a problem,then noticed my ltft's were spiking at +36.
Showing no misfiring cylinders,scrolled down,primary misfiring cylinder-15,secondary misfiring cyl,-15.
I thought that the highest ltft you could get was 16,and a big WTF? for the number 15 cylinder misfire.
This pcm seems to be fried because the snap-on scanner has worked fine with the last 8 vehicles.
Also have extra pcm from a regal with same service number,but security is enabled and it would not
accept the security relearn.Thinking about running a ground to the anti theft pin and see if it enables fuel.
 


My scanner only shows one cylinder at a time for primary or secondary misfiring cylinder.
It actually displayed a 15. As b.s as that may sound,that is why I think the brain is dead.
 
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