1988 Ford Escort Throttle Positioning Sensor

1988 FORD ESCORT
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DAYDREAMERTRICIA
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  • 1 POST
Engine Performance problem
1988 Ford Escort 4 cyl Automatic 245000 miles
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I am trying to replace the TPS in my car. It has been losing power while I am driving and rpm's rev up and down while car is idling. Does this sound like the problem to you? Could you give me any assistance possible please?
May 9, 2008 at 12:49 AM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
for the rough idling i would suspect a faulty IAC moduel or a vaccum leak, same for the loosing power overtime.

but i wouldnt be to quick for ruling out the TPS, take and check its voltage at closted throttle, then WOT then slowly sweeping from closed to WOT, should be steady.
May 9, 2008 at 1:33 AM
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