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FAQ Collection of frequently asked questions.

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Old 05-12-2002, 07:49 PM   #1
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I'm wondering if my thermostat is broken. the temp never goes past the "a" in "normal" on the dash gauge. Even on a hot day,after an hour of freeway driving. It usually runs at the "L" It rarely even gets to the A, only under intense driving. Is this normal? I have a fiber glass cowl hood, with vents in the back of it, so I would think that might cause the motor to run so c0ol, but could it be a bad thermostat? Id hate to find out that the engine is actually running too hot or overheating when i think it is running cool. thanks
Old 05-12-2002, 09:32 PM   #2
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Join Date: Jun 2001
Location: TN
Posts: 3,827

As long as you notice the gauge does change that is a good thing, but don't go by a stock gauge. I have driven 3 stangs (2 '88's and a '92) One was like you described and hardly moved above the A, Mine stays around the top of the L and the '92 stayed around the top of the M. All of which ran a 192 degree thermostat and had no problems of overheating. The stock gauge is very inaccurate. The best thing to do is buy a mechanical gauge and see what it tells you. the thermo is probably not stuck open, although it is a possibility, I doubt it. Thermostats do not usually fail unless they are really really old, or if they have been through an overheated engine a few times.
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