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TEMPERATURE GAUGE GOING TO 230 DEGREES, DROPS TO 220, DROPS TO 210 WHICH IS NORMAL TEMPERATURE BACK UP TO 230 ETC

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

mrgreenz
  • 962 Answers

SOURCE: cooling system

maybe the ECM got deprogrammed. did you disconnect the battery / if you did disconnect the battery negative terminal and leave it for a few minutes the re install it. It should reprogram the computer Module.If not check you coolant level or themostat.

Posted on Nov 16, 2008

  • 4 Answers

SOURCE: Problem with No Heat on 2005 Chevy Avalanche - Cooling System?

it is most likey a sticking thermostat it either gets stuck closed or open in your case closed so collant isnt getting to the heater core and all you get is cold air blowing into the truck.
its a simple fix you can either do it your self or take it to a mechanic. now remember there are differnt thermostes so think about the climat you live in and get one according to that

Posted on Jan 29, 2009

  • 285 Answers

SOURCE: antifreeze ts boiling back into reservoir.

it sounds like a possible head gasket problem,you can get the fluctuation from combustion gases getting pumped into your cooling system and creating gas pockets,i would suggest taking it to a shop and have them do a block test to look for combustion in the cooling system to confirm the problem,that way you will know for sure,if it comes up negative they can also perform a flow test to make sure there is no restriction in the cooling system such as a plugged radiator or a bad thermostat,hope this sheds a little light on it

Posted on Sep 12, 2009

Testimonial: "I bet you've hit on the problem ! Car has been "using " antifreeze for a couple years now, with no leaking anywhere. Lost through the head gasket ?"

motor1258
  • 6674 Answers

SOURCE: my temperature gauge will go half way then drop

First thing you need to do obviously, is check your coolant level. If coolant level has been checked and all is well, then I'd look at replacing the thermostat.

Posted on Sep 12, 2009

morse008
  • 1111 Answers

SOURCE: temperature gauge red lined then dropped back down

yes sounds like a stuck thermostat or the temperature plug if faulty could also you need the radiator fluid tested fro proper mixture

but sounds like thermostat stuck and most likely going bad

Posted on Jan 06, 2010

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1 Answer

Why does the temperature gauge on my 1995 Chevy K2500, 5.7L read 150 degrees ?


If you replaced the SENSOR and not the gauge SENDER, there's your answer.

The SENSOR sends the computer (ECM, PCM, ECU, etc.) the engine temp so it can make the adjustments to the fuel, timing etc.

The gauge SENDER makes the gauge read what temperature the engine coolant is.

Hope the helps.

Feb 21, 2015 | 1995 Chevrolet K2500

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I have Hyundai Elantra GT Manual transmission, the Temperature gage keeps going all the way to high yet the engine is not over heated, and once I change gear the temperature Gage drops to normal and t


Changing gears and the temp gauge have nothing in common. First, check the coolant level. If gets low an air pocket in the engine will cause the gauge to go high, then back to normal. Next would be to check the wiring. could be the gauge/sensor wire is shorting to ground.

Oct 25, 2014 | 2005 Hyundai Elantra

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My 2009 Peugeot 308's heating is baffling me when i drive at normal speeds say 30 and above the engine temperature gauge never rises and the heater doesnt work but when im in traffic or parked with th


Thermostat may not be working properly, hot coolant has to circulate via the heater core in order to get heat. Normally operation temperation should be 180 to 200 degrees.

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1 Answer

Saturn sl2 temperature gauge normal reading?


mid range of the gauge is normal keep in mind the full sweep of the gauge is only about 40 degrees the fan turns on at 220 degrees

Aug 17, 2012 | 2002 Saturn Sl

1 Answer

1996_gmc_sierra Heat gauge started going from 260 degrees back to normal. I replaced heat sensor then thermostat. This summer had complete radiator and cap put in. The gauge says its running at 230 an


My Mountaineer had a similar problem. When driving it, the temp needle would slowly go up and up for like 3 minutes then it would come down within about 30 seconds. Then it would slowly rise again. just kept doing this over and over but it never went too high. My gauge didn't have numbers on it but it would go up about half way (not near the too hot level though) then fall back down to about a quarter of the way on the gauge. Found out that the fan clutch was bad on my radiator fan. It was not engaging and disengaging at the right times. New fan clutch solved the problem and probably saved the engine from overheating eventually if it had gotten even worse.

Oct 20, 2011 | GMC Sierra 1500 Cars & Trucks

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When i am driving my 2002 buick rendevous, the temperature gauge sits between 1/4 and 1/2. however when i have to sit idle ( ex. like at a red light) the temperature gauge creeps up to between 1/2 and...


This is normal. The gauge should sit at around the 1/2 mark. And it will go up at idle until the fans kick on then go back down some. Fans will kick on around 210 degress

Jul 08, 2011 | Buick Rendezvous Cars & Trucks

1 Answer

Why would a 1994 Oldsmobile Achieva S quad 4 engine temperature gauge fluctuate between 195 & 220 degrees? The thermostat has been changed and the engine and radiator have been flushed. The normal...


either the thermostat is getting ready to fail or the temp sensor isnt working properlythese engines also leak fluid from rear side of head after getting hot so check that so may have air in system because of the blown head gasket

May 28, 2011 | 1994 Oldsmobile Achieva Special Edition

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

2 Answers

Engine temp goes up to 230 degrees


It's actually normal for engine temps to go up to 220 deg. F or 230 deg. F in the summer time, even in normal engines that run at 196 deg. F typically.

This happened to me with no malfunctions on my 1997 Cadillac Deville, yesterday.

Actually, engines run more efficiently at higher temperatures like this.

Just make sure your coolant is topped off and that it fluctuates between lower temperatures and this high reading.

This is a normal temperature in my experience for GM vehicles.

Aug 11, 2010 | 2002 GMC Envoy

3 Answers

Problem with No Heat on 2005 Chevy Avalanche - Cooling System?


it is most likey a sticking thermostat it either gets stuck closed or open in your case closed so collant isnt getting to the heater core and all you get is cold air blowing into the truck.
its a simple fix you can either do it your self or take it to a mechanic. now remember there are differnt thermostes so think about the climat you live in and get one according to that

Jan 07, 2009 | 2005 Chevrolet Avalanche

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