Test Description
WARNING: This page is about a different car, the 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, 2002 Chevrolet Monte Carlo, and 2002 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers in the diagnostic procedures.
- 2
If you were sent here from DTC P0341, proceed with DTC P0336 Diagnostic even if DTC P0336 has not failed this ignition. - 8
The 24X RPM on the scan tool should change each time the medium resolution engine speed signal circuit is touched.