Visual Inspection: Notes
WARNING: This page is about a different car, the 2003 Mercury Sable and 2003 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
This inspection will identify modifications or additions to the vehicle operating system that may affect diagnosis. Inspect the vehicle for non-Ford factory add-on devices such as:
- Electronic add-on items:
- air conditioning.
- generator (alternator).
- engine turbo.
- cellular telephone.
- cruise control.
- CB radio.
- linear amplifiers.
- backup alarm signal.
- computer.
- Vehicle modification:
- These items, if not installed correctly, will affect the powertrain control module (PCM), or transaxle function. Pay particular attention to add-on wiring splices in the PCM harness or transaxle wiring harness, abnormal tire size, or axle ratio modifications.
- Leaks. For additional information, refer to SPECIAL TESTING PROCEDURES .
- Correct linkage adjustments. For additional information, refer to TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS .