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Why is the temp gauge lower than normal and check engine light comes on intermittently on 2002 Pontiac Montana?
Wiki User
∙ 13y ago
If your engine light comes on and your temp gauge is lower then normal. listen for cooling fans. if they are also running chances are you need a new thermostat
Wiki User
∙ 13y ago
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2004 Pontiac Montana temp gauge goes sky high sporadically When you shut the engine off and then restart it the gauge goes backto normal why?
The engine coolent may be low enough that sensor is not surounded with coolent when engine is not running.
How do you know if the thermostat needs to be replaced on a 2003 Pontiac Montana?
Two symptoms of faulty thermostat which would more than likely require replacement of same: (1) engine overheats quickly (2) engine takes too long or doesn't reach normal operating temperature
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Why would your 2000 Pontiac Montana be smoking and dripping water out the tailpipe after replaceing the thermostat and temp sensor?
small amounts of water coming from the muffler is normal but if its antifreeze its not
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