Mercury Tracer Problem Report
Mercury Tracer Engine Stalling and/or Hesitation on Acceleration due to Faulty Idle Air Bypass Valve
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.
i have a 1989 merc tracer.at idel the engine speed goes up and down when the engine is at operating temp.it also stumbles on acceleration as though it is not getting fuel.this car has only 46000 mi...
Valve seats (components in the cylinder head that help seal the valve) can fall out. When this...
My mechanic days it is due to blowby but this is excessive. I see evidence of oil pushed out of...
The engine stalls and then , immediately, the engine can be started again. Shop has had engine on computer and has nor been able to diagnose problem. What could be cause?
I CHANGE IDLE SWITCH, PROBLEM STILL THE SAME