What to do with Code 42?
What to do with Code 42?
Hey guys... my '89 305 5Speed Iroc is giving me a code 42.
I looked up the code in the manual and it says:
"The EST signal did not change when the ECM applied bypass voltage to the ignition module."
What do I need to do? Thanks,
Dave
I looked up the code in the manual and it says:
"The EST signal did not change when the ECM applied bypass voltage to the ignition module."
What do I need to do? Thanks,
Dave
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