Diagnostic Aids

WARNING: This page is about a different car, the 1995 Ford Windstar and 1995 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

Perform this test when instructed during QUICK TEST or if directed by other test procedures.

1) DTC P1270

This DTC indicates that engine or vehicle speed has exceeded calibrated limit. Possible causes are as follows:

Wheel slippage caused by mud, ice, water, snow, etc.
Over revved engine.
Vehicle driven at excessive rate of speed.

If any of the specified causes have occurred, system is okay. Clear PCM memory. If none of specified causes have occurred, clear PCM memory. If no other faults are present, testing is complete.