Car Problem Reports

Mercury Tracer Problem With Idle Air Bypass Valve May Cause Engine Performance Problems

 
Mercury Tracer Problem
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Model Years Affected: 1991, 1997

Engine Affected: 2.0L 4 Cylinder

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If you experience difficulty starting the engine when cold, stalling at idle, or hesitations during acceleration, it may be the idle air bypass valve. This valve helps the vehicle idle steady when the accelerator pedal is not pressed.

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