temperature gauge not working

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#11

12-19-2014, 10:30 AM

Doc Olds

Super Moderator

Join Date: Jul 2007

Location: Boat Town USA MI

Posts: 12,189

Quote:

Originally Posted by DMBFan

Did you get the same P0118 code?
Was it a messy swap out for thermostat?

Possible causes for a P0118:
- Low engine coolant level
- Faulty Engine Coolant Temperature (ECT) sensor
- Faulty engine coolant thermostat
- Engine Coolant Temperature (ECT) sensor harness is open or shorted
- Engine Coolant Temperature (ECT) sensor electrical circuit poor connection

#12

12-20-2014, 07:31 AM

DMBFan

Junior Member

Join Date: Nov 2014

Posts: 5

Quote:

Originally Posted by Doc Olds

Looks like I'll be swapping out a thermostat. .....

Thanks for the info.

#13

12-20-2014, 11:36 AM

happythree

Senior Member

Join Date: May 2012

Posts: 2,005

t stat??

if you get hot air and no overheating ,the t stat must be ok.
mine heats up in 5-10 minutes with hot air.

#14

07-02-2020, 11:31 AM

Antonio2020

Junior Member

Join Date: Jun 2020

Posts: 1

Quote:

Originally Posted by lilcmtz

im having an on going issue with my temp gauge not working. at times it reads fine but then will all of a sudden quit reading, wich then causes the "ac off" to come on the dash and the ac quits working. what could this b? sensor? faulty temp gauge? please help i have a one year old daughter and it sucks when the ac shuts off while shes with me. i live in texas so its HOT!

did you find the answer?

#15

07-02-2020, 12:56 PM

Doc Olds

Super Moderator

Join Date: Jul 2007

Location: Boat Town USA MI

Posts: 12,189

Quote:

Originally Posted by Antonio2020

did you find the answer?

Welcome to HF.

Answer to what? This is why you should post a new thread with your question including year, model, miles and any recent work performed or symptoms experienced instead of tacking on the end of a SIX YEAR OLD Thread,

READ: Old Threads/'Necro-Bumping'

#16

07-17-2020, 12:18 PM

Maureen Barrett

Junior Member

Join Date: Jul 2020

Posts: 1

Temperature Guage quit

I have a 2003 Hummer H2. I put in a new battery and my temperature guage isn't working. It goes up as usual when I start then drops to 160 and stays there. What causes this?

#17

07-17-2020, 12:32 PM

TAINTER

Senior Member

Join Date: Sep 2008

Location: SE Michigan

Posts: 5,923

Quote:

Originally Posted by Maureen Barrett

I have a 2003 Hummer H2. I put in a new battery and my temperature guage isn't working. It goes up as usual when I start then drops to 160 and stays there. What causes this?

Holy Krap!

#18

07-17-2020, 01:18 PM

Doc Olds

Super Moderator

Join Date: Jul 2007

Location: Boat Town USA MI

Posts: 12,189

Quote:

Originally Posted by Doc Olds

Welcome to HF.
Answer to what? This is why you should post a new thread with your question including year, model, miles and any recent work performed or symptoms experienced instead of tacking on the end of a SIX YEAR OLD Thread,
READ: Old Threads/'Necro-Bumping'

Quote:

Originally Posted by Maureen Barrett

I have a 2003 Hummer H2. I put in a new battery and my temperature guage isn't working. It goes up as usual when I start then drops to 160 and stays there. What causes this?

Maureen..... welcome. I have to say, you have no clue how a forum works do you?????? You dug op and OLD THREAD even after I posted the quote above and provided the link to the request that people avoid NECRO-BUMPING! ..............and, you are asking an H2 question in the H3 section. See, this works like this, any question regarding an H2 GOES IN THE H2 SECTION, not here on the end of an OLD AZZED Thread in the H3 section. Wanna try again? How about asking your question in a brand new Thread in the H2 Section since I am now closing this thread.

Thank you for your anticipated cooperation.