Test Notes

Enter this pinpoint test only when directed here.

This pinpoint test is intended to diagnose the following:
- Heated Oxygen Sensor (HO2S) / Heater
- HO2S Connections
- Vacuum Systems
- Fuel Injector(s)
- Harness Circuits: HO2S GND, HO2S, INJ 1-8, VPWR and SIG RTN
- Powertrain Control Module
- Natural Gas Module