what would cause my temperature gauge not to work and engine light come on in my 2007 chevy hhr ?

suzyq8432
0

Asked by Oct 27, 2011 at 10:19 PM about the 2007 Chevrolet HHR LS

Question type: Maintenance & Repair

13 Answers

Tom Torres
2,705

get ur car scaned for codes but i will take a chance and and say it is possibly p0128 or something like that for coolant temp below regulating threshold which means either temp sensor or new t stat let me know what the codes r plz

19 out of 19 people think this is helpful.
pacopike1
210

I had the same problem. In fact, I had my thermostat replaced 3 times in 1 year. This lead me to re-think the problem. I had the same code p0128, low temp threshold. I couldn't imagine received 3 faulty thermostats. The final result was the Engine Coolant temperature sensor was faulty. It was sending low read reading to the onboard computer. Since the coolant temp sensor was replaced, no problems.

21 out of 21 people think this is helpful.
Kevin Robinson
1,625

electric connection or sensor problem , if the ecm cant get a proper temp reading it turns engine light on

6 out of 6 people think this is helpful.
ScottT
185

I had the same type of problem but mine was eratic working some times not working and a check engine light. I found the temp sending sensor and messed with the connection and wires and haven't had that problem ever again.

10 out of 10 people think this is helpful.
Clockman901
40

I had same intermittent issue, plus while it was happening, my remote start would not work. I replaced sensor and checked all wires but problem persisted. This year I replaced the factory wheels with custom wheels which forced me to replace the tire pressure sensors. That cured the problem. Somehow that was fooling and sending bad info to the computer, causing this annoying problem.

4 out of 4 people think this is helpful.
Nikki McCarthy
120

i have the same prob i replaced the sensor and broke it off when replacing it now the check engine light is on. and my fans run constancly

12 out of 12 people think this is helpful.
Jose Luis Lopez
70

I have the same problem with my jetta 03 i just replaced the coolant sencor and still doesnt mark the temp

7 out of 7 people think this is helpful.
annglory
80

I am having the same problem. Only this morning on the way to work I ran over a piece of metal, sensor stopped working and check engine light came on? Is there a way that the metal could have hit the sensor?

8 out of 8 people think this is helpful.
snascar7
50

I just bought a 2006 HHR. I only had iita couple of days of having it it red line on the temperature. I had my nephew flush it out for me and put new antifreeze in it.it also was a sensor I believe. but now its overheating again any suggestions??

5 out of 5 people think this is helpful.
Duttie Be Good Grogan
20

My meddle just lie flown pass hot

2 out of 2 people think this is helpful.
gman4ever
80

ive got for my chevey uplander temp. gauge not working but i still have hot air working and the fan going into overtime itll never stop so im not sure what the problem is is it relay switch or is it fuse, or is it thermosat plz help

8 out of 8 people think this is helpful.
New2cars
0

I have a 2008 HHR. I found out why my car would shut down completely leaving my keys stuck in the ignition...RECALL! I wish I'd known this before my purchase. Now my problem is the a/c and engine light. I see the previous experiences from others so I will replace the sensory. Fingers crossed!

Charliepuzz474
0

New2cars: u need to get that fix asap, otherwise u have d problem i had, mine did exactly like u desribed except it also killed d battery n my car decided to drive itself off downhill..weird..luckily brake was ok, but its fixed now n if d battery died make sure they wont charge u for replacing battery like they did with me but gm took care of that already, also pay attention incase d steering wheel gone dead, happened to me n its hard to menuever but that too took care by gm as well....but now my ect gone bad that caused d ac to not kicked in n temp gage flatliner..

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