Question about 2000 Jeep Grand Cherokee

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What is the normal temperature level - 2000 Jeep Grand Cherokee

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Most cars are about the same and that's roughly 170-190 normal operating temp. Fans should kick on by 180-190 at the latest but that a ECM programmed setting. Above 210 the car is starting to overheat and ECM will shut down by 220+ on most cars if coolant sensor is working correctly.

Posted on Sep 03, 2010

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Hello,

Usually The Temperature Will Range Between 160-195 depending on the type of thermostat installed and assuming all fan relays etc are operating well.

Take care.

Posted on Sep 03, 2010

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Around 90 to 110 centigrade

Posted on Sep 03, 2010

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Depends on thermostat installed. Somewhere between 160 and 195 F.

Posted on Sep 03, 2010

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I have a 2006 Buick Lucerne V6 code po128 comes up. What does it mean?


P0128 BUICK P0128 BUICK - Engine Coolant Temperature Below Thermostat Regulating Temperature Repair Importance Level: 3/3 Repair Difficulty Level: 2/3 help.jpg Share facebook.png twitter.png linkedin.png google-plus.png sep.png print.png pdf.png share.jpg 3 comments.png ' Add Comment xicon.jpg http://www.autocodes.com/p0128_buick.html Forum Code Possible causes - Leaking or stuck open thermostat
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- Insufficient warm up time
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help.jpg What does this mean? Tech notes If cooling system is not leaking and the fluid level is OK, replacing the thermostat usually takes care of the problem.
help.jpg What does this mean? When is the code detected? If the Powertrain Control Module (PCM) detects the calibrated amount of air flow and engine run time have been met, and the Engine Coolant Temperature (ECT) has not met the minimum thermostat regulating temperature, the code P0128 will set. Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P0128 Buick Description An Engine Coolant Temperature (ECT) sensor monitors the temperature of the coolant. This input is used by the Powertrain Control Module (PCM) for engine control and as an enabling criteria for some diagnosis. The air flow coming into the engine is accumulated and used to determine if the vehicle has been driven within the conditions that would allow the engine coolant to heat up normally to the thermostat regulating temperature. If the coolant temperature does not increase normally or does not reach the regulating temperature of the thermostat, the diagnostic that use ECT as enabling criteria may not run when expected.



Read more: http://www.autocodes.com/p0128_buick.html#ixzz3vprh5jzz

Regarding which thermostat to use, I am guessing it depends on where you live.

Ask these people when you order the thermostat.

http://www.autopartswarehouse.com/shop_years/buick-lucerne-thermostat-2006.html

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What you describe could be considered normal if you are driving in hot ambient temperatures with full coolants levels. Ensure you are using coolant liquid not water.

If fluid levels are full (rad and overflow bottle) and there are no leaks and the temperature gauge is not show engine it running hot; then the sensor that controls the fan(s) should be replaced.

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