Visual Inspection: Notes

WARNING: This page is about a different car, the 2004 Ford RV Cutaway, 2004 Ford Econoline, 2004 Ford E450 Super Duty, and 2004 Ford Cutaway. 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 vehicle for non-Ford approved add-on devices such as:

Electronic add-on items:
- Powertrain control module enhancements
- Turbo boost enhancements
- Sensor modifications
- Air conditioning
- Generators (alternators)
- Engine turbo
- Cellular telephones
- Cruise controls
- Turbo engine brake
- CB radios
- Linear amplifiers
- Backup alarm signals
- Electronic brakes for trailer towing
- Computers
Vehicle modifications.

These items, if not installed correctly, will affect powertrain control module (PCM) or transmission function. Pay particular attention to add-on wiring splices in the PCM harness or transmission wiring harness, abnormal tire size or axle ratio changes.

Leaks; refer to LEAKAGE INSPECTION .