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.
Engine Stalling and/or Hesitation on Acceleration due to Faulty Idle Air Bypass Valve on Mercury Tracer
Average mileage: 112,000 (74,000–150,000)
Engines affected: 1.9L 4 Cylinder, 2.0L 4 Cylinder
8 people reported this problem
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well the car has 153,000 miles but car stil runs great just did the torque converter now my problem is that the car was starting fine an all but all of a sudden it doesnt start the car turns over just fine no struggle no nothing ingectors are new fuel pump too alternator also it was starting just fine then it just dont anymore but turns over .just fine what could it be