Diagnostic Aids
WARNING: This page is about a different variant/trim than selected.
Perform this test only when directed by QUICK TEST. This test is intended to diagnose the following.
- Knock Sensor (KS)
- Wiring Harness Circuits;: (KS & SIG RTN)
- Powertrain Control Module (PCM)
To prevent replacement of good components, be aware the following non-EEC related areas may be at fault:
- Poor Fuel Quality
- Ignition System
- Ignition Or Valve Timing
- Engine Mechanical Condition