My 1995 Mercury Mystique surges when it idles

SOURCE: firing order of mercury mystique

What engine size and year?

SOURCE: mercury mystique starter location

its a 6 I beleive its a 2.5

SOURCE: My 1997 Mercury Mystique dies

Check the AIS (idle speed motor) the bypass passage may be clogged with crankcase vent sludge. This is a problem I found many vehicles

Johnny Brown

• 5763 Answers
• Posted on Dec 29, 2009

SOURCE: RPM problem with 1995 mercury mystique esp: at

first thing is to check for any split vacuum hoses that are leaking, then clean throtle body with cleaner,(thrtle body cleaner) if this has no affect then replace the idle air control valve, hope this helps.

Testimonial: "Thank you for the suggestions.I will do as you suggest and start by looking for a leaking vacume hose "

SOURCE: 1995 mercury mystique starter replacement process?

At first, it looks like an impossible task, however if you start by removing the positive battery cable, then unplug mass air flow sensor, carefully remove air filter box and its components from the throttle body. from there you should be able to see the starter better and have more room to work and get it out. You can take the battery right out if you want a little more working space for your elbows. take the wires off the solenoid, sometimes the old studs of solenoid will break due to corrosion. remove the two 13mm bolts that hold the startersome models have one at the bottom also that you will need to access from the bottom side.