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post #1 of 3 (permalink) Old 10-16-10, 10:11 AM Thread Starter
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confused 2005 GT Temp Gauge Issue

Wife came home the other day and said the car was near 'red' on the temp gauge in the cluster on the way home. After it cooled down I checked the coolant level, which was fine, looked around, didn't see or smell anything out of the ordinary.

Got in the car to fire it up to take it for a drive to see what she may have encountered and noticed that during the 'bulb check' the gauge would move the usual half inch or so to the right like it normally would have - however, it never goes back to zero. So for instance, everytime the car iginition is cycled on/car is started, the temp gauge moves the right like normal, but from it's new starting spot from the previous start.

I searched about a dozen times to be sure I wasn't reposting an issue already discussed, but most seem to be focused on fuel gauges. All gauges (non MyColor) work fine except for the temp gauge on ours.

Any ideas? Any help would be appreciated!

Kris Bulla

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post #2 of 3 (permalink) Old 10-16-10, 12:03 PM
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Re: 2005 GT Temp Gauge Issue

I'd run it to see what the temperature of the engine is with an external gauge. See what temperature it gets to. It may be the thermostat too if it does get hot.

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post #3 of 3 (permalink) Old 02-19-11, 12:07 PM
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Wink Re: 2005 GT Temp Gauge Issue

ford did not do such a good job in product research when they put together the 05 mustang. the temp guage is actually an instrument cluster problem. the 05 mustangs have a faulty instrument cluster when exposed to harsh weather conditions... IE: cold and hot like in texas or florida panhandle. also you will be happy to know that the door panels will probably soon start to bubble because the foam backing installed starts to deteriorate in hot weather. good news is the instrument panel can be replaced without having to get the odometer re certified. you can buy either an after market or refurbished one for around 150 bucks. as far as the doors, if you peel em back when they start to bubble or sag and rub off the foam padding, you can apply a couple coats of contact cement and you will probably never have the problem again.
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