1990 Mercury Grand Marquis has a jerking feeling while driving. Changed the distributor and ignition control. Still has the jerkiing while driving. What else can it be?

Asked by May 18, 2014 at 08:16 PM about the 1990 Mercury Grand Marquis 4 Dr Colony Park GS Wagon

Question type: Maintenance & Repair

1 Answer

92,865

Could be an EGR flutter, torque converter shutter, partially plugged transmission filter, weak transmission pump.

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