1999 Mercury Mystique Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Mercury Mystique
1999 Mercury Mystique Problems
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.
The Check Engine Light can illuminate with codes due to the lack of EGR (exhaust gas recirculation) flow caused. This is commonly a result of a clogged passage in the intake manifold. To correct this problem, the EGR valve has to be removed and the passage cleaned thoroughly. Partial restriction of this passage can cause smog test failures for the NOx emissions without causing a drivability symptom.alternator fuse at the firewall commonly shorts out; the shorted fuse could be mistaken for a bad alternator.
1999 Mercury Mystique Questions
We own a 1999 Mercury Mystique, 2.5L V6, 24 Valve DOHC.
Recently the car broke down and we're working through fixing some issues it's having, and we'd appreciate some advice on something we found. While looking at the intake manifold, we noticed raw, liquid fuel poor ou...
was under the hood checking to see where a squeaking noise was coming from when the car stop starting !I kept trying to start it and then one of the ground cables started to smoke,I figured it was the starter I let it cool down and tried it again and it turned over slow but it did start, I then d...
do i have to pull trans