Question about 2008 Chevrolet HHR 2.2

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Temp gage not working.... i changed the two wire temp sensor under the thermostat, but I've been told there is a one wire temp sensor some where. Wher is that sensor?

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  • Chevrolet Master
  • 14,333 Answers

Change your thermostat and see if that works.

Posted on Nov 28, 2013

Testimonial: "Thanks for the suggestion. My heater still produces heat. This is why I didn't think it would be my thermostat. Is there such a thing as a single wire temp sensor, or is there only the one two wire sensor?"

6 Suggested Answers

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Posted on Jan 02, 2017

leetamara
  • 702 Answers

SOURCE: 1991 siverados temp Gage dosent

Replace the temp. sending unit. It's usually found on the driver side head on the side above the exhaust manifold.

Posted on Jun 23, 2008

  • 1 Answer

SOURCE: 2001 malibu 3.1 v6 cooling fans run all the time and temp gage

replace thermostat, this fixed my car, cooling fans keep coolant below temp guage parameters.

Posted on Feb 13, 2009

westwater81
  • 24 Answers

SOURCE: temp gauge below 100 and I changed sensor and

sometimes the gage itself can malfunction

Posted on Nov 20, 2009

  • 15 Answers

SOURCE: 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.

Posted on Apr 10, 2010

wildongoleec
  • 75 Answers

SOURCE: temp gage on 94 bounder motorhome does not work

cant tell where sensor is, but when you find it if you connect the sender unit wire to ground the gauge should read hot with ignition turned on (with engine not running) this will tell you sender unit is at fault not gauge

Posted on Jun 03, 2012

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TEMP GAGE JUST QUIT , AUTO ZONE PUT SCANNER ON IT CODES P0480 AND P0116 CAME UP , GOING TO change the temp gage sender , but i think something else is wrong , find out after i change tsu ,


code p 0480 refers to engine coolant blower motor 1 ---circuit malfunction=== causes ---wiring ---engine coolant blower motor ---ECM
code p 0116 refers to engine coolant temperature (ECT) sensor ---range b/performance problem ====causes coolant thermostat---poor connections---wiring---ECT sensor

May 07, 2017 | Cars & Trucks

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What is the small electric censer in the bottom of the valley on a 3.2L V6 in a 99 rodeo? I had to change the thermostat and broke the little censer while i was at it.


Hi,im not shore,I think it might be temp-gage,
if you warm car up a bit, then take wire off broken switch,
get some one to hold the wire on switch you have a look at temp-gage then when car is warm get the person who is holding the wire to remove it from the switch,if the temp-switch gose down then replace the switch as it is the temp-switch.
good luck.

Mar 28, 2015 | 1999 Isuzu Rodeo

1 Answer

Changed temp control sensor on my 2004 trailblazer didnt know i had to bleed radiator of air drove about 20 miles my check engine came back on took to autozone they told me it came up thermostat heat...


unscrew the cap from your overflow and leave it off over night. the air in the system will naturally want to rise. the air pocket will be out by morning. make sure to fill you coolant back up then!

Nov 04, 2012 | 2004 Chevrolet TrailBlazer

1 Answer

Temp gage on 94 bounder motorhome does not work


cant tell where sensor is, but when you find it if you connect the sender unit wire to ground the gauge should read hot with ignition turned on (with engine not running) this will tell you sender unit is at fault not gauge

May 31, 2012 | Chevrolet 3500 Cars & Trucks

5 Answers

Temperature gage not working,gas,gears gage are ok.


located the temp sending unit check that its pluged in, if it is unplug it and ground the wire to something metal (with the switch on) and see if the gauge moves if it does then your temp sending unit is bad and needs replaced

Aug 01, 2009 | 2004 Pontiac Grand Prix

2 Answers

The fuel and temperature gauges are pegged out on my Suzuki samurai. The fuel gauge is always pegged out and the temperature gauge is low when first started then goes to max temperature in about a minute....


I just had a similar issue with my 1995 Buick century. My issue started out with the gage being almost pegged with the car off. When I turned the key to run it pegged the gage completely. I first called AutoZone and they told me it was either the temperature sensor, thermostat, or gage.
I knew that my thermostat wasn’t bad because I replaced it a while back. I then checked my sensor; I unhooked the two pin connector of this sensor at the block and suspected the needle to drop to zero. This was not the case.
I then checked my wires using a multimeter to verify that there was no short at my firewall. My wiring was fine.
I then called a family mechanic and he instructed me that there is also a "temperature switch" that also is interconnected to the coolant temperature gage. I then found this switch which was threaded into the block near the firewall of my car. I unhooked the 2 pin connector and suspected that the gage would return to the neutral position. And sure enough it did!!
This could have been a heck of a lot easier if AutoZone could have told me that my car has a "temperature switch". But non the less it was only a $15 fix!

First try unhooking your sensors and switch to see if this is the problem, I would lastly suspect your gage to fail!

Good Luck

Jun 26, 2009 | Suzuki Samurai Cars & Trucks

2 Answers

My car has overheating out of ordinary found that water pump was leaking replaced it, drove 2 blocks car said overheated again. Replaced thermostat and it still said was overheating. Even after I let car...


Sounds like you need a temp sensor for the gage. There's 2 under the hood one is a 2 wire in the intake manifold driver's side & a single wire one under the exhaust crossover pipe,also driver's side. You want to change the single wire one. Yes,it's tough. If it's still overheating quick, then it's a head gasket.

Jun 21, 2009 | 1994 Oldsmobile Cutlass Supreme

2 Answers

2001 Oldsmobile Alero overheating


I think you started out looking in the right places. Replacing the coolant, thermostat, relay and sensor are all fairly inexpensive.

I believe you either have blockage in the system (especially if you're using tapwater), or your water pump may be failing.

I would first either take it to a radiator shop and have them flush the cooling system out thoroughly, or else pick up a chemical flush kit and do it yourself. This involves more than just drain and refill.

If this doesn't work, your next step will probably be replacing the water pump. At almost 200k miles, it's probably about due anyway.

Jun 16, 2009 | 2001 Oldsmobile Alero

1 Answer

Radiator fons #1 and #2 wont come on car is starting to overheat!


there is another temp sender on block 2 wire sensor that controls fans

Nov 12, 2008 | 2004 Pontiac Grand Prix

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