Diagnostic Aids

WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

The KS must be torqued correctly to 19 ft. lbs. (25 N.m).
The mounting between the sensor and engine must be free of burrs, casting flash, and foreign material.
The KS head is clear from hoses, brackets, and engine wiring.
If an intermittent is suspected, refer to INTERMITTENT CONDITIONS under SELF-DIAGNOSTIC SYSTEM.