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Home >> Ford >> 1991 >> Thunderbird Base, 5.0 T >> Repair and Diagnosis >> Steering >> Steering Gear - Variable >> Quick Tests >> Quick Test D4: Testing Speed Sensor

Quick Test D4: Testing Speed Sensor

Raise vehicle on a lift. Start engine. Verify speedometer operation. If speedometer works properly, replace EVO control module. If speedometer reads zero at all times, proceed to QUICK TEST D4.1