Thread: Code 42 EST
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Old 07-21-2019   #2
XfireZ51
 
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,685
Default Re: Code 42 EST

Quote:
Originally Posted by Jax ZR1 View Post
Just pulled the plenum and replaced injectors and starter put it back together and is still idling ruff and check engine light comes on, checked codes and got a code 42 electronic spark timing. It’s a 1990 ZR1 with just under 10,000 miles on it. Any ideas would be great thanks.
Have u checked ur connector and the ignition module? Bent pin?
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