Code 42, will setting timing trip this code?
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Senior Member
Joined: May 2000
Posts: 625
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From: Where the Devil Dances, IL
Car: 87Z
Engine: ?
Transmission: A4
Code 42, will setting timing trip this code?
When you unhook the spark advance will this set of a code 42? I think I remember this, but you cannt search for code 42 becuase 42 isn't longer than three letters. 
This is the only code I get after the cam swap and engine over hual. I checked this to see if I could find the answer to my lower idle issues. I think the ECm is learning the new cam like it did last time.
This is the only code I get after the cam swap and engine over hual. I checked this to see if I could find the answer to my lower idle issues. I think the ECm is learning the new cam like it did last time. 
Supreme Member
Joined: Jul 1999
Posts: 2,767
Likes: 2
From: Vereinigten Staaten
Car: Take
Engine: Your
Transmission: Pick
Yes, as soon as you disconnect the timing bypass connector, code 42 will set. Clear the codes, and if it does not come back, thats all it was.
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thefirebirdm@n
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Sep 14, 2015 01:45 PM