Test Description

WARNING: This page is about a different car, the 2002 Isuzu Trooper. 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

This step verifies problem is present at idle.

4

A voltage reading of less than 4 volts or 5 volts or more at MAF sensor signal circuit indicates a fault in wiring or poor connection.

5

This step verifies that ignition voltage and ground are available at MAF sensor.