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4.0L V6 Technical Discussions Any questions about engine, transmission, exhaust, tuners/CAI, or gearing can be asked here!

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Old 10-02-2012, 07:14 PM   #21
mweiland
 
Join Date: May 2006
Vehicle: 2005
Location: southeast PA
Posts: 27
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i had this problem. the car would occasionally lose coolant through the res cap after i turned it off.

after 2 res tank and cap replacements, i tried a different dealership and they found the problem. a computer in the emissions system was faulty.

luckily, the emissions warranty is 8 yrs, so i avoided the $1200 repair...
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Old 10-03-2012, 06:03 AM   #22
Whatleys
 
Join Date: Sep 2012
Vehicle: 2005, ford, mustang
Location: Ga
Posts: 5
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Ouch, well I ordered a bottle and I hope that is all it is
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Old 10-04-2012, 08:58 PM   #23
Whatleys
 
Join Date: Sep 2012
Vehicle: 2005, ford, mustang
Location: Ga
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Still waiting on parts but took it to a mech and he can't figure it out. How would a computer have anything to do with the cooling? Only thing it does is turn the fan on and it comes on fine.
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Old 06-24-2013, 10:06 PM   #24
imtryin67
 
Join Date: Jun 2013
Vehicle: 2006, Ford, Mustang V6, Manual
Location: Illinois
Posts: 4
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Change the thermostat before it blows the plastic housing apart! Mine did the same thing. Ford is back to using thermostats that make the car overheat when they stop working instead of never warming up. The thermostat is about $15. If you don't change it soon you will be buying or repairing the thermostat housing $60.
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Old 06-24-2013, 10:06 PM
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06, 2000, antifreeze, car, coolanr, coolant, djedix, full, gt, gushed, mustang, reservoir, resevoir, smoke, white

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