» Problem With Idle Air Bypass Valve May Cause Engine Performance Problems
Report: Problem With Idle Air Bypass Valve May Cause Engine Performance Problems
Mercury Tracer Problem
Model Years Affected: 1991, 1997
Engine Affected: 2.0L 4 Cylinder
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...
Q&A > Mercury > 1991 Mercury Tracer
The engine stalls and then , immediately, the engine can be started again. Shop has had engin...
Q&A > Mercury > 1997 Mercury Tracer
Valve seats (components in the cylinder head that help seal the valve) can fall out. When this happens, it causes rough running and creates noise. Replacement of the cylinder head is commonly requi...
Common Problems > Mercury Tracer
I CHANGE IDLE SWITCH, PROBLEM STILL THE SAME
Q&A > Mercury > 1999 Mercury Tracer
It happens all the time specially if I stop suddenly, no Mechanic seems to know what the proble...
Q&A > Mercury > 1998 Mercury Tracer