Question about 1997 Mercury Mountaineer

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Changed fuel filter, once car gets hot, it will start once (you can't hear fuel pump kick on) putter then stall. once it stalls, it will not turn over. once it cools down, it will start & run fine

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  • Mercury Master
  • 14,092 Answers

Sound like engine over heating cooling fan clutch could be faulty freewheeling.

Posted on Oct 27, 2013

Testimonial: "On a cold start, it will start & idle fine. Will continue to run fine, no power loss or anything until car warms up AND you shut off car. Once car is shut off, has trouble starting, when does start, putts then stalls. Like I said, once car is warmed up, fuel pump doesn't kick on. Heard many things from relay, fuel pump, fuel module, plugs, wire, coil pack but still no answers"

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Posted on Jan 02, 2017

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dttech
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SOURCE: I have a 93 mercury topaz 4cyl 2.3L that stalls

It sounds to me like you replaced everything but the most likely cause of a stall while driving...The crank sensor.

Posted on Oct 11, 2009

rtpflh
  • 546 Answers

SOURCE: 93 mercury topaz 4cyl 2.3L

check for vacuum leaks,especially at fuel control valves,intake manifold.locate T P [throttle position]Sensor,on intake,opposite throttle lever.check wiring connector,spray sensor with WD 40 or CRC,if a change is noted,replace T P S.

Posted on Oct 13, 2009

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1 Answer

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Can either be fuel filter is dirty or fuel pump is going and there may be a short or burnt wire on the fuel relay. they should all be located in the same area.

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