Shift Concerns: Feel - Harsh

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

SHIFT CONCERNS - FEEL - HARSH

Possible Component	Reference/Action
214 - ELECTRICAL ROUTINE
Powertrain Control System
Electrical inputs/outputs, vehicle wiring harnesses, PCM, EPC solenoid, OSS	Carry out self-test. Refer to the INTRODUCTION - GASOLINE article for diagnosis and testing of the Powertrain Control System. GO to PINPOINT TEST D or GO to PINPOINT TEST E . Repair as required. Clear DTCs, road test and repeat self-test.
Engine driveability concerns	Refer to Routine 253.
314 - HYDRAULIC/MECHANICAL ROUTINE
Fluid
Incorrect level	Adjust fluid to correct level.
Condition	Inspect condition of fluid.
Incorrect Pressures
High line pressure, high EPC pressure	Check pressures at line and EPC taps. See the LINE PRESSURE CHART for specifications. If pressures are high or all shifts are harsh, go to main controls. If pressures are OK and a specific shift is harsh, refer to the following shift routine(s) for further diagnosis: Shift 1-2, Routine 320 Shift 2-3, Routine 321 Shift 3-4, Routine 322 Shift 4-3, Routine 323 Shift 3-2, Routine 324 Shift 2-1, Routine 325
Main Controls
Main regulator valve, overdrive servo regulator valve stuck, damaged or assembled incorrectly	Inspect for damage. Repair as required.
EPC solenoid stuck or damaged	Inspect for damage or contamination. Carry out EPC tests in Routine 214. Repair as required.