Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2002 Lincoln Town Car, 2002 Lincoln Navigator, 2002 Lincoln LS, 2002 Lincoln Continental, and 2002 Lincoln Blackwood. However, it is still accessible from the selected car via links, so may be relevant.
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