2000 Jeep Grand Cherokee Q&A
2000 Jeep Grand Cherokee Question: thermostat
Thermostats can get stuck due to normal wear over time. My guess is that the thermostat in your 2000 Jeep Grand Cherokee is stuck open causing the check engine light to come on. A stuck open t/stat will cause the engine to run cooler than designed resulting in an increase in emissions, Symptoms would include a temperature gauge reading lower than normal and a check engine light on. A stuck closed t/stat would cause the engine to overheat - very quickly. - dandd
The thermostat may fail to close completely, causing the Check Engine Light to illuminate. This problem will...
...goes down to cold and cold air comes out of the vents instead of heat. I already replaced the thermostat. Could this problem be the water pump? Also I took the radiator cap off and there is no moveme...
The thermostat may fail to close completely, causing the Check Engine Light to illuminate. This problem will prevent the engine from reaching normal operating temperature; a new thermostat should ...
Thermostat is blowing out white smoke after replacing. Does seal need a lubricant?
...temp guage goes hot and then suddenly dropps back down into normal range. I have replaced the thermostat. No difference. Where are the upper and lower temp sensors. Any trick to replacing them?