1999 Ford Escort stored diagnostic trouble code PO125

Tiny
GRANDPREE
  • MEMBER
  • 1999 FORD ESCORT
  • 4 CYL
  • FWD
  • MANUAL
  • 2,500 MILES
Car failed enspection, check engine light has been on, car seems to use to much gas, pluss the computer is saying this code is what is wrong, PO125. The car hasnt been running hot its normal temp.
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Tuesday, February 12th, 2008 AT 4:13 PM

6 Replies

Tiny
JACK42
  • MEMBER
That code is "insufficient coolant temp for closed loop fuel control". Try removing the thermostat to see if it has stuck open. Replace it with a 195 degree.
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Tuesday, February 12th, 2008 AT 4:24 PM
Tiny
ZAPPO90744
  • MEMBER
Will the same apply to my 2000 Lincoln Town Car? I also got a code of PO125 yesterday when I took it to get a Smog Check.
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Friday, February 22nd, 2008 AT 3:06 AM
Tiny
JACK42
  • MEMBER
Yes, I believe that the code is the same for all FoMoCo, definitly appplies to your lincoln, try a t-stat, factory temp (195)
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Friday, February 22nd, 2008 AT 7:07 AM
Tiny
ZAPPO90744
  • MEMBER
Thanks very much for the advise. I will try it later on today. If the problem continues should I assume I have a bad temperature sensor?
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Friday, February 22nd, 2008 AT 2:00 PM
Tiny
JACK42
  • MEMBER
Coolant temp sensor or thermostat
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Friday, February 22nd, 2008 AT 3:46 PM
Tiny
ZAPPO90744
  • MEMBER
Just changed the thermostat and reset my computer and everything seems A okay. Thanks a million for the advise.
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Saturday, February 23rd, 2008 AT 3:27 PM

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