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GM 3400 CKP 'A' ?
Posted to Technical Discussion Forum on 4/5/2010 9 Replies

Hi all,

When the CKP "A" (the 24X CKP) is replaced on a 2002 Chevy 3400 engine the procedure says to perform the CKP relearn procedure.

What happens if it's not done?

Why must the CKP relearn be done?

The 24X CKP is used to stabilize idle and used belo... Login to read more.

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