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Posted on Dec 18, 2017
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The engine temperature gage reads hot...coolant good, no leaks, engine does not appear overheated (no steam, return coolant hose hot but not scorching hot (supply side cool)). The coolant is new. Some dirt in the radiator fins but mostly clear. Outside air temperature is cold (30-40 degrees). Highway driving.

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maria capeles

maria capeles

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  • Posted on Dec 18, 2017
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Turn your car off , you probably need a new thermostat or water pump

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  • Mitsubishi Master 19,187 Answers
  • Posted on Dec 18, 2017
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The gauge on the dash is not accurate at all, you can get a obd live data monitor or you can test the coolant with the engine running and use a reliable thermometer, ( you take the cap off the radiator and run the engine till it gets hot. You also need to check and see if the thermostat is stuck closed.

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Anonymous

  • 145 Answers
  • Posted on May 16, 2008

SOURCE: 98 Saturn Sl2 overheat

If it overheated without being low on coolant the first time you may have a themostat sticking. But I would start with a check of all the hoses for cracks or loose clamps. Also check leakage at the front of the motor from the water pump. It's hidden behind the a/c compressor but you should see splash marks on the hood if it's leaking there. For good info on how to fix it yourself try www.saturnfans.com. There are a lot of good tech tip articles for the S series cars. I lost a water pump pulley at about 90,000 overheated five times getting home. The car now has 230,000 on it and still going strong.

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Anonymous

  • 426 Answers
  • Posted on Oct 30, 2008

SOURCE: Coolant filling up overflow bottle

You may need to ask AAA to put a radiator pressure tester on the resevoir bottle and pump it up to operating pressure(Pressure cap rating) and see if it over pressurises while it is running at operating temp,rev engine up and down and watch what the testers pressure readings do,it should move up and down in sync with the water pump.If the pressure keeps building i would have to believe that combustion chamber gases are over pressurising your cooling system.Also test the pressure cap is functioning within factory specs.

emissionwiz

Marvin

  • 85242 Answers
  • Posted on Mar 13, 2009

SOURCE: Normal coolant temp for 2003 Jeep Grand Cherokee city/highway V6

U should have the accuracy of the gauge tested before u spend any more money on this, factory gauges are not very accurate. U are still in the normal zone though no matter what the other expert says, and jeep Cherokee's run hotter than 195 due to how small the engine bay is, my friend and fellow tech works for a jeep dealer and says hot running on V6's and overheating esp on the V8's is a common issue even on new trucks.

Anonymous

  • 94 Answers
  • Posted on Dec 03, 2009

SOURCE: car is overheating with steam coming out of the

there is a problem with the radiator as it gets more hot due to blocking of net inside it.get the radiator serviced and use proper coolant liquid.

Anonymous

  • 118 Answers
  • Posted on Jan 18, 2010

SOURCE: overheat, excessive preasure build up in cooling system

Have you changed the water pump ?

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On a 2008 Ford focus why does the temp Guage read hot when the car is not hot
There could be a few different issues that could cause the temperature gauge on your 2008 Ford Focus to read hot when the engine is not actually overheating. Here are a few things to consider:

Failed thermostat: The thermostat is responsible for regulating the flow of coolant through the engine. If the thermostat is stuck in the closed position, it could cause the temperature gauge to read hot even though the engine is not overheating.

Failed temperature sensor: The temperature sensor sends a signal to the temperature gauge to indicate the engine's temperature. If the temperature sensor is faulty, it could cause the temperature gauge to read hot even though the engine is not overheating.

Wiring issue: If there is a problem with the wiring that connects the temperature sensor to the temperature gauge, it could cause the gauge to read hot even though the engine is not overheating.

To determine the cause of the issue, it may be necessary to perform some diagnostic tests and possibly replace some components. A mechanic or a professional auto repair shop will be able to diagnose the problem and recommend the appropriate repairs. It's also a good idea to keep an eye on the engine temperature and take note of any other symptoms or issues you may be experiencing. This information can help the mechanic diagnose the problem more accurately
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Dec 24, 2022 • Ford Cars & Trucks
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Vehicle overheating tips
If your vehicle engine coolant temperature gauge indicates overheating, if you experience a loss of power,or if you hear a loud knocking or pinging noise, the engine has probably overheated. You should follow this procedure............

Pull safe off the road, stop the vehicle and turn on our emergency flasher. Put the transmission in "P" (automatic) or neutral (manual) and apply the parking brake. Turn off the air conditioning if it is being used.

If coolant or steam is boiling out of the radiator or reservoir, stop the engine. Wait until the steam subsides before opening the hood. If there is no coolant boiling over the steam, leave the engine running. CAUTION: To avoid personal injury, keep the hood closed until there is not steam. Escaping steam or coolant is a sign of very hing pressure.

Visually check to see if the engine drive belt (fan belt) is broken or loose. Lock for obvious coolant leaks from the radiator, hoses, and under the vehicle. However, note that water draining from the air conditioning is normal if it has been used. CAUTION: When the engine is running, keep hands and clothing away from the moving fan engine drive belt.

If the engine drive belt is broken or the coolant is leaking, stop the engine immediately and call your mechanic of assistance.

If the engine drive belt is okay and there are no obvious leaks, you may help the engine cool down more quickly by running it at about 1500 rpm for a few minutes with the accelerator pedal lightly depressed.

Check the coolant reservoir. If it is dry, add coolant to the reservoir while the engine is running. Fill it about half full. CAUTION:Do not attempt to remove the radiator cap when the radiator are hot. Serious injury could result from scalding hot fluid and steam blown out under pressure.

After the engine coolant temperature has cooled to normal, again check the coolant level in the reservoir. If necessary, bring it up to half full again. Serious coolant loos indicates a leak in the system. You should have it checked as soon as possible at your mechanic's workshop.

Good luck.
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I have a 1997 bmw 318i that is overheating. Steam comes from back of engine compartment and the fan is not engaging. What could the problem be?
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