Questions & Answers for: when a thermostat is bad Cars & Trucks

bad thermostat...it is stuck in an open loop. that just is a fancy way of saying the thermostat is bad, probably stuck,,,replace the thermostat and disconnect the battery and the code will go away and

...located on a 2003 model? Could be a bad water pump, loose belt, bad thermostat, bad gauge, low coolant level, dirty or plugged radiator. Not necessarily the thermostat. I would take it to a

thermostat installed last year; temp then in the 190's until just recently. Do thermostats wear out? yes thermostats wear out. make sure your cooling fans are not running at the low temp you have. you

...bad thermostat? It's possible that the thermostat has gone bad. If the valve on the thermostat remains closed, it's possible that water isn't flowing to the sensor that controls the radiator fans, ...

bad thermostat; but I understand if the thermostat is bad a warning light would be lit on the dash. Is that the case? No, this is not your case. If the thermostat is bad any warning light would be lit

bad thermostat cause that Yes, a bad thermostat could cause the fan not to work. The thermostat has to go above a certain temperature to make the fan work. If it is not reaching that temp then the fan

...gauge shows engine getting hot could this be a bad heat sensor or bad thermostat? replaced thermostat heat works good but gauge shows engine getting hot the temperture sending unit needs

...the temp light comes on when it is cold is the sensor bad It sounds like the thermostat is bad. The thermostat is mechanical, it's not activated by an external sensor and likely needs to be

...thermostat bad I just put a thermostat in my '01 sunfire and its bad alreadh What do you mean by your thermostat is bad? Does it refuse to open causing your vehicle to overheat? Is it sticking open ...

...bad thermostat. either a bad thermostat or a bad sensor It could be a stuck thermostat, low on coolant, radiator fan not coming on, bad fan relay or fan temp sensor, or bad radiator cap. Hope this ...