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.

4

This step determines if the MAP sensor voltage is within the proper range at idle.

5

This step determines if the MAP sensor responds properly to the change in manifold pressure.

6

This step determines if the Throttle Position (TP) sensor is operating properly.

7

This step determines if any mechanical faults have caused this DTC to set.