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1994 Ford Probe over heating

Tiny
HEATHERLB
  • MEMBER
  • 1994 FORD PROBE
  • 4 CYL
  • 2WD
  • MANUAL
  • 200,000 MILES
My car has been overheating badly the fluids are all fine but the overheating comes and goes I keep the heater on and the heat is sometimes cold I don't know why but when I speed up the gauge goes down a little what would be the problem and how do I fix it?
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Wednesday, February 17th, 2010 AT 9:06 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
WHen you say the heat comes and goes and it runs hot, the first thing that pops into my mind is a bad headgasket. However, have you ever replaced the thermostat? Also, have you ever tried flushing the cooling system to see if that helps?

Before I jump into a head gasket, I would try flushing the system and replacing the thermostat. If that doesn't help, then I would check engine compression to see if there is a low cylender. You may want to do that before anything to possibly save the money on the other things.

Here are the directions for checking compression.

Let me know what you find or if you have other questions. Also, if the car only overheats at a stop and not at highway speeds, let me know that before you do anything.

https://www.2carpros.com/dia/how_to_check_compression.htm

Joe
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Monday, March 8th, 2010 AT 4:26 PM

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