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You could have a bad coolant tempreture sensor, or your thermostat is bad,
meaning its stuck open and and not letting the coolant heat up. Or you could
have a bad gauge. But most of the time its the sensor and the thermostat, or
the sensor, But if you don't have a scan tool to check for the voltage
coming from the coolant sensor, you can back probe the sensor with a
multimeter and look at the voltage coming from the sensor, it should be
around 5v from what my all data CD-ROM is telling me. Its the Best program
you can get. So you might want to check out your sensor. Just a thought.
Jose G
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