Shift Concerns: Shift Timing - Early/Late

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

SHIFT CONCERNS: SHIFT TIMING - EARLY/LATE

Possible Component	Reference/Action
211 - ELECTRICAL ROUTINE
Powertrain Control System	-
-	Carry out Shift Point Road Test. Refer to SHIFT POINT ROAD TEST .
Electrical inputs/outputs, vehicle wiring harnesses, powertrain control module, throttle position sensor, output shaft speed (OSS) sensor, transmission fluid temperature (TFT) sensor	Run-On Board Diagnostics Tests. Refer to INTRODUCTION - GASOLINE . GO to PINPOINT TEST B .
311 - HYDRAULIC/MECHANICAL ROUTINE
Other	-
Tire size change	Refer to the specification decal on door panel and verify that vehicle has original equipment. Changes in tire size or speedometer gear will affect shift timing.