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1999 Mercury Mystique Questions & Answers
No power to fuel pump
Good Afternoon, I was wondering if you actually did check power to the pump itself. If you remove the back seat bottom cushion you can get right in there.Also you might want to check the inertia switch to see if it has tripped as well. Hope this helps.
Why does my 1999 mystique will crank and run but runs rough
Sounds like your idle valve has stopped working . Does it run fine when warmed Up? If so I would clean the throttle body and remove the idle valve and clean it. After reinstalling it have someone turn the key on while you tap the idle valve lightly with a screw driver Handel. Then see if it will idle when started. If it does then you need a new one.
1999 mercury mystique were is the kill switch
In the driver's footwell behind the kick panel , where the access hole is .
The Inertia Fuel Shutoff (IFS) Switch is located behind the trunk release lever and behind the plastic panel.
Have no heat
Check the heater hoses to see that they are getting warm. If so, flapper door which directs air to go through the heater core may be inoperative due to bad actuator or vacuum leak.
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