Question about 1995 Oldsmobile Cutlass Supreme

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It over heats replaced thermastate, gauge sensor,water pump,the gauge is stuck in the red with the word hot even after it cools down it stays the same

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  • Oldsmobile Master
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If the gauge reads hot right after you start the engine, the wire going to the sensor could be shorted to ground.

Posted on Apr 29, 2013

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Posted on Jan 02, 2017

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SOURCE: tempeture gauge

Just fixed this problem myself.

In addition to the above description, my service engine light came on about a week after the gauge stopped working.

Took it to Auto Zone and had them do an error code scan, this is a free service of AutoZone.

Code P0126 - Coolant Temp is always low.

3 possible causes

1) Check Engione Coolant
2) Thermostat defective
3) ECT sensor defective.


I added approx two pints of coolant. The Check Engine Soon light went out and the temp gauge started working again.


Posted on Dec 28, 2008

  • 4 Answers

SOURCE: car is heating up fans don't turn on, over halfway on gauge

under the hood look for rely fan rely

Posted on Jan 27, 2009

wireguy212
  • 1627 Answers

SOURCE: temp gauge goes all the way up to hot after only

You need to unplug the coolant senor that was replaced and see if the problem still exists,if so the wrong sensor was replaced.There is one that runs the cooling fan and one for the temp guage.

Posted on Nov 03, 2009

  • 255 Answers

SOURCE: The temp gauge says the engine is hot but, in

I'm not certain if this engine has coolant bleeder valves, but if it does, make sure there aren't any pockets, particularly around the sending unit. Something is fooling the computer into thinking that things are really, really hot.

Posted on Nov 25, 2009

  • 24 Answers

SOURCE: 1999 Olds Alero. Low coolant light comes on and

TAKE RADIATOR CAP OFF WITH ENGINE COLD AND CHECK WATER ..MAKE SURE RADIATOR NOT BLOCKED,,PLASTIC BAG ETC. THIS SOUNDS LIKE LOW WATER OR RADIATOR ..STOPPED UP INSIDE ..IF YOU HAVE GOOD HEAT IT'S FULL OF WATER. REPLACE T STAT B4 RADIATOR..IT'S CHEAPER. ALSO CHECK FOR RADIATOR COOLING FAN OPPERATION..I,M RULING OUT THE WATER PUMP.

Posted on Mar 20, 2010

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1 Answer

Have a 96 Buick Park Ave. In Aug I changed the thermostat because the temp gauge showed the motor was running cold. nothing changed. In Sept I had the water pump replaced because it started leaking. M


Is your 3800 producing normal heat? If so, the temp sensor is probably bad...If not, try replacing the radiator cap...if your system has air trapped inside, it usually runs hot, not cold...the heat is the key to functioning properly for you...Your radiator is a 4 stage huge system that normally cools very well...if you have heat, I still think your temp sensor is bad...ask to see one at your parts store, will help you to locate it. Hope this helps.

Jan 02, 2015 | 1996 Buick Park Avenue

1 Answer

Okay i have a '89 ford f150 4x4 standard single cab short wheel base with a 302 & i just replaced the thermostat 180 degrees & replaced the fan clutch because thermostat stuck & fan clutch was bad & it ran...


Its possible that you got a faulty thermostat that is actually sticking open and not allowing the water to actually heat up to temperature. Try checking the heater and see if you actually have heat. If not, I would start there and purchase another thermostat. It's the cheapest route and I have purchased bad ones myself.

Aug 14, 2014 | Cars & Trucks

1 Answer

Cause no heat temp gauge red lined in


sounds like the thermostat is stuck shut..unless the head gasket is blown somewhere.. it will pump the antifreeze level down to form an air pocket.. this will cause overheating constantly check each cylinder for even compression..the lowest reading will most likely be the blown cylinder..

Dec 15, 2013 | BMW Cars & Trucks

1 Answer

I have 2002 impala with 3.4 engine. i have a problem with the engine over heating. i replaced the water pump thermostat radiator and cooling fans and it still runs hot. What's strange is the temperature...


CHECK COOLANT SENSOR WIRE CONNECTOR MAKE SURE ITS ON TIGHT NOT DAMAGED.IF ALL IS GOOD.YOUR COOLANT TEMPERATURE SENSOR BAD CAUSING THE COOLING FAN NOT TO COME ON.

Jul 03, 2010 | Cars & Trucks

3 Answers

My temperature gage is going over in the red and my heat is not


Check the sensor which controls the cooling fans that cools the radiator it prevents the engine from over heating and allows the temp gauge to stay at normal range.recently had problems with my 2003 impala overheating it was the sensor had the thermostat replace as well.

Feb 10, 2010 | 2003 Chevrolet Impala

1 Answer

Temp gauge on dash fluctuates up and down and stays at times red.


Check your cooling fans to insure they are working to cool the radiator...

Apr 05, 2009 | 1996 Volvo 960

2 Answers

Thermostat?


It actually sounds to me like you're low on coolant. My Jeep leaks coolant and whenever it gets low the temp gauge will go real high and then drop, and the heater doesn't work well. This is because the cooling system of your car is supposed to be a closed system, full of coolant and no air. When coolant leaks out, the space it used to occupy is now occupied by air, which does not transfer heat well. When 'air' is passing through your cooling system, no heat can be transferred from your engine to the heater and radiator, resulting in a hot engine and no heat at the heater. Then when a pocket of water passes through the system, the temperature gauge quickly falls as the water absorbs the heat from the engine. The hot water that cools the engine is where the heater gets it's heat from as well, so when water passes through the heater core, the heater works, but when it's filled with air, it doesn't.

Hot water runs through the heater core regardless of whether or not your thermostat is open or closed. That's why your heater works in the winter even before the engine is at normal operating temperature. The fact that the heater stops working is a good sign that the thermostat is probably not the culprit.

As for the water pump. If the water pump was bad, your temp gauge would go into the red and stay there. Water pumps generally don't work intermittently. Either it's good and ot works, or it's bad and it doesn't.

However, if you are in fact low on water, as I suspect, it means you probably have a leak somewhere. The leak could be in the water pump housing gasket, so depending on where you take it for repairs, they may try to sell you a new water pump anyhow. So just beware of that.

Feb 12, 2009 | 2004 Chevrolet Blazer

3 Answers

Overheating


215 is not overheating. Does it keep getting hotter the faster you go? Does it cool off when slowing down or at idle? Does the Fan clutch or electric fan come on? When the engine is this hot.

Aug 09, 2008 | 2006 Chevrolet Cobalt

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