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LT4 knock module help get rid of DTC 43?

formul8

Well-known member
Joined
Sep 23, 2008
Messages
60
Location
Chicago,IL
Corvette
1994 Coupe Blk/blk
I know there is a separate code for the KM failure, but I replaced the knock sensors and all the wiring checks out ok. DTC 43 keeps coming up.

There is an exhaust leak under the car, but I will be replacing the exhaust anyways. I can tell by the way it runs that timing is being pulled out.

If the KS sees a lot of knock, will the DTC show up? Will adding an LT4 KM help?
 
It didn't with mine!
 

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