Question about 1992 Mercury Topaz
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Posted on Jan 02, 2017
SOURCE: 1992 mercury topaz
I had the same problem. It was the idle air control valve. It sits on top of the intake just downstream from the throttle. There's a valve rod inside that gets worn over time and starts to stick. If that's what is causing your problem, you need to replace the unit.
Posted on Feb 09, 2009
1991-92 Mercury Topaz Stereo Wiring
6 1/2" Doors
Left Front (+)
Left Front (-)
Right Front (+)
Right Front (-)
6" x 9" Rear Deck
Left Rear (+)
Left Rear (-)
Right Rear (+)
Right Rear (-)
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Posted on Feb 12, 2009
the fuel pump relay is located on the left shock tower in the engine compartment in a black box 6x4x1 inches. there are other relays inside the same box which is actually called the ccrm or constant contorl relay module, there should be a double connector with 20 to 26 wires in it, hard to miss.
Posted on Jun 15, 2009
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