Question about 2000 Jeep Cherokee

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Does not stay idling untill temp reaches 210 degrees

Once it warms up it runs great,

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Check your 02 sensor it sounds like its going bad. good luck buddy

Posted on Dec 17, 2008

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Thermostate


Yes it is normal. Your average car operating temp is 210 to 220 before the thermostat opens. You can buy another thermostat that will kick in at 180 degrees. It only costs a little more and is better for your engine and transmission. I have always replaced my old ones with that and have had great results however in the winter the heater will not get as hot because the car is running cooler than before.

Feb 23, 2013 | 1997 Buick Park Avenue

1 Answer

What is the max. temp. for 2004 4x4 trailblazer


Depends.
A normal cooling system runs between 195 degrees when the thermostat opens, to 230 degrees when the cooling fan kicks on.
If you are experiencing air temps over 90 degrees, the cooling system could run at 210 or higher.
Idling and moving make a difference too.

Jul 10, 2012 | 2004 Chevrolet TrailBlazer

2 Answers

98 Camaro LOW running temp. I just recently purchased an all original, terrific running 98 Camaro Converible with only 86000 miles on it. Everything seems great and I've been driving it for weeks with no...


I would suspect either the temp guage or the coolant temperature sensor being inaccurate. The new thermostat is probably working good, or else you wouldn't have a very warm heater. If you have electric radiator fans, you might check to see if they are running all th time. Electric cooling fans should only come on when the temperature sensor reaches a predetermined coolant temp, or when the a/c or defroster is turned on. If the fan runs all the time, the engine would not reach normal operating temperature.

Feb 27, 2011 | Chevrolet Camaro Cars & Trucks

1 Answer

My 2004 A4 1.8 Audi's water temperature does not go above 150 degrees F. What can be the problem


Check the engine thermostat!

Thermostat checking:
1. Cold engine. Start up the engine and watch of the water temp indicator. After first value 140 degrees F you still warm up the engine until the lifter (pointer) reach 175 deg. F (second mark after 140 deg. F). At this time you let engine running at idle speed and check with your hand the thermostat plastic housing and hose temperature in bottom left side of the engine. Heed of alternator driving belt and ventilator fan !!!
2. If the thermostat is good the hose must be cold until the water temp indicator reach almost 195 deg. F.
3. The thermostat opening temperature is 188 deg. F.
4. If the hose is already warm the thermostat is out of order.

Replace the thermostat if necessary!



Please do rate my response. Thanks!

Jan 11, 2011 | 2004 Audi A4

1 Answer

1999 Jeep Wrangler - 4cyl - 5 speed. Where do I start if my heater is not getting hot. Really doesn't get warm. Just blows out cool air. Side note: This is my 3rd winter with this Jeep and it's never...


The temp reading on the dash is a very big clue... Likely the thermostat (at the end of the large top radiator hose inside the metal housing) is stuck open. When that happens, the coolant in the engine never reaches full temp. Not only can that result in a low heat condition but it can also give you poor fuel mileage as the computer always thinks the engine is cold and therefore it adds extra fuel to keep it running.
Replace with a 195 degree(f) thermostat, run the engine (with the heater on full heat) to nearly normal temp, turn it off and wait about three minutes, then re-start and continue filling. Once full, add whatever is necessary to the recovery bottle and close it up and check for leaks.

Dec 09, 2010 | 1999 Jeep Wrangler

3 Answers

Coolant temp rise to around 210 degrees when idling or in stop & go traffic bur drops back to around 196 when cruising. Is this normal?


completely normal those readings are perfect this car comes with a 195 degree thermostat,210 is fine for stop a go traffic remember a cooling system with the proper amount of coolant in it and under pressure will not overheat till about 240 degrees your in great shape no conerns!!!!!...

Sep 01, 2010 | 2006 Chevrolet Corvette

1 Answer

I have a ford taurus that the cooling fans will only run when when the ac is on 2002/ engine 3.0 efi/


The cooling fans on this vehicle won't come on unless the a/c is on or until the engine coolant temperature reaches about 220 degrees. Once the coolant has reached this temperature the fans will come and and run until the engine cools down to about 210 degrees and they will then turn off until the temperature climbs up again. The fans usually aren't on at all at highway speeds because enough air is being forced through the radiator to keep everything cool. The true test of cooling fan operation is to allow the car to idle in park with both the a/c and defrost turned off and let it run until the fans come on. When The temp gauge reaches about 3/4 of the way up, give or take a bit, the fans should come on. Keep an eye on the gauge so the engine doesn't overheat just in case there really is a fan control problem but I'd say you'll most likely find that the fans are working properly since they do come on for the a/c. Hope this helps!

Jul 07, 2010 | 2002 Ford Taurus

2 Answers

1998 Dodge Caravan. Random misfires and fans don't work


You could have a crack in the flywheel/flexplate where the crank sensor reads. This crack can cause random misfires as it passes beneath the crank sensor but it is fairly rare and hard to find with the transmission bolted up. The cranks sensor is also prone to being damaged or not being properly spaced where it mounts above the flywheel. Do you know if there are any service codes other than for a random misfire which is usually a P0300? The cooling fans on these were designed to stay off until either the A/C was on [like yours is working now] or until the engine temp reaches about 220 - 228 degrees at which point the fan[s] would run until the engine temp drops back to about 210 or so and shut off again. At a true engine temp of 190 to 210 theu should stay off. The best fan test is to start the engine, leave the a/c and defrost off, and allow it to idle in your driveway until the gauge reaches about th 3/4 to 7/8ths of the way up and somewhere in there the fan should finally come on. If not then you need someone with a scan tool to command the computer to turn the fans on and off to see if it is capable of doing so but I'm betting it is since it will turn them on for the a/c. I have both a 94 and an 02 caravan and when I'm sitting in traffic they'll hang at the 210 - 228 degree point all day long [actual temp as read on a scan tool] which is ok because the cooling system is pressurized and the coolant can't boil over. Once I'm moving over 35 mph the temp willd drop back down the the thermostat set point which is about 198 degrees on both. Hope this helps a bit with your problem and good luck!

Jun 30, 2010 | 1998 Dodge Caravan

1 Answer

Fan doesnt come on when car is hot but works when a/c is on in result the car reaches 206-210 degrees


The fans don't come on until the temp hits around 225 degrees, so relax, your temp range is normal for the Northstar engine.
Enjoy the car.
Cheers!

Feb 23, 2010 | 1997 Cadillac DeVille

1 Answer

The 2000 mountianeer starts and runs fine but shuts off


CHECK THE COLD START ENRICHMENT VALVE AND OR THE IDLE CONTROL VALVE. I AM ASSUMING THAT YOUR VEHICLE IS FUEL INJECTED. ONE OF THOSE HAVE GONE BAD.

Jan 24, 2009 | 2000 Mercury Mountaineer

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