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Old 02-21-2006, 11:05 PM   #1
jeranamo
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Engine Temp guage won't move!

I've noticed this for a while now, and it concerns me deeply as I have no idea how hot my engine is getting. What should I check for a engine temp guage that won't move at all? 1999 Grand Prix GT 3.8L

Last edited by jeranamo : 02-21-2006 at 11:07 PM.
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Old 02-21-2006, 11:07 PM   #2
newyorker
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Quote:
Originally Posted by jeranamo
I've noticed this for a while now, and it concerns me deeply as I have no idea how hot my engine is getting. What should I check for a engine temp guage that won't move at all? 1999 Grand Prix GT 3.8L
If you had your cluster taken apart for some reason, the needle might be broken. Could be the thermostat acting up, but then the car would probbably overheat, or it might be a short in the wiring.
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Old 02-21-2006, 11:09 PM   #3
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I don't know if this has anything to do with it, but my previous problem was my speedometer not working at all and my shifting being really sloppy. It turns out the mechanic had not hooked back up the speed sensors which caused that problem. Could they have possibly not hooked up the temperature sensor as well?
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Old 02-23-2006, 07:18 AM   #4
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Well I know once with my sisters car, the temperature sensor was working perfectly fine, but the thermostat was royally screwed up so the engine was always cold due to the fact that the coolant was always flowing through then engine even when it was dead cold (which it shouldn't do). Try by starting to check your thermostat or take out you cluster by unscrewing and pulling it out and make sure everything is connected (usually more than one thing wouldn't work, not just the temperature sensor)
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Old 02-26-2006, 08:23 AM   #5
TokyoJoe
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Well if it's not hooked up you should be able to see it. It's right under the radiator hose to your thermostat on the bottom of the intake manifold. Is your SES light on?
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Old 02-26-2006, 08:31 AM   #6
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Quote:
Originally Posted by newyorker
If you had your cluster taken apart for some reason, the needle might be broken. Could be the thermostat acting up, but then the car would probbably overheat, or it might be a short in the wiring.

The car would not over heat because the t-stat is mechanical (the gauge runs off an ECT sensor) and would still function. However, performance would definately take a nose dive

More than likely your thermostat is stuck open

BTW: Are you registered at www.clubgp.com ??
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Last edited by TokyoJoe : 02-26-2006 at 09:08 AM.
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Old 02-27-2006, 02:34 AM   #7
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wasn't it already in repairs and maintenance?
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