Diagnostic Aids
WARNING: This page is about a different car, the 2002 Saturn LW200, 2002 Saturn L200, and 2002 Saturn L100. However, it is still accessible from the selected car via links, so may be relevant.
If a crankshaft or PCM has been replaced, the crankshaft must be relearned.
Using scan tool, perform CRANKSHAFT POS. VARIATION LEARN procedure. See CRANKSHAFT POSITION VARIATION LEARN PROCEDURE under PROGRAMMING.