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  #1  
Old 02-18-2008, 07:31 PM
stickboy42461 stickboy42461 is offline
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PO125 code

I was reading some of the other posts about this code and have some questions. I periodically get this code and clear it. I t may stay gone for a while and it may not. I think I am going to change the TSTAT out and start at this point. I would like to Know which TSTAT to use. Do I need to use the 180 or 195 I need help? I have a 2000 4x4 with a 4.6L in it. I have not noticed the temp guage not working maybe it has been working a little slow. Will this repair my problem.Any help will be appreciated. Thanks in advance.
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Old 02-18-2008, 08:13 PM
antony25 antony25 is offline
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Bad thermostat. Do not use a fail safe t-stat and be sure it is a 195*
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Old 02-19-2008, 05:45 AM
projectSHO89 projectSHO89 is offline
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Agreed. Your old thermostat is getting slow to respond.

Stick with the stock unit.

Steve
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Old 02-22-2008, 02:30 AM
Zappo90744 Zappo90744 is offline
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So would this also apply to me? I went yesterday to get a Smog Check on my 2000 Lincoln Town Car which has a Ford 4.6L and failed with code PO125. Low ECT for Closed Loop Fuel Ctrl. I just had a new intake manifold and thermostat put in last year!
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Old 02-22-2008, 04:11 AM
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Sounds like it. The engine is not reaching the proper operating temp.
Always use a 195 Thermostat.
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Old 02-22-2008, 01:58 PM
Zappo90744 Zappo90744 is offline
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Great...thanx for the advise....I'll replace it today. Hopefully that will take care of my problem. I'm assuming if it continues next thing to look at is my temperature sensor right?
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Old 02-22-2008, 02:56 PM
projectSHO89 projectSHO89 is offline
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Never had one come back to find out.

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Old 02-23-2008, 03:24 PM
Zappo90744 Zappo90744 is offline
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Great thanks! Just changed it and reset the computer and everything seems A okay!!! Thanks a million for the advise.
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Old 02-23-2008, 03:24 PM
 
 
 
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02, 150, 2000, 2003, 46, 46l, 50, code, ect, explorer, f150, failsafe, ford, po125, thermostat

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