check gauge light on a 2004 gmc envoy xl

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bjbatpeace7
Posts: 1
Joined: Fri Feb 08, 2013 6:43 am

check gauge light on a 2004 gmc envoy xl

Unread post by bjbatpeace7 » Fri Feb 08, 2013 6:51 am

my gmc 2004 envoy check guages lights comes on/off. the temp/coolant dials goes froom 100 degrees then to 250 degrees , going back then up, check antifreeze level and checked for leeks. what could be wrong, it is not over heating. ?????? please a single mom having to work this makes me wanna cry b/c if I don't take care of this no one will.

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ProTech
Posts: 657
Joined: Wed Oct 17, 2012 10:08 am

Re: check gauge light on a 2004 gmc envoy xl

Unread post by ProTech » Fri Feb 08, 2013 7:33 pm

I would make absolutely sure the vehicle is not overheating before assuming anything else.

If it's just a gauge or sensor problem, it's not a big deal and can be addressed when you have the time/money. A gauge issue would require replacement of the instrument cluster. If the coolant temp sensor is faulty, it can be easily replaced. Either of these would need some diagnosis, and a scan of the vehicle's computers would help too.
GM Dealer Technician For 18+ Years
In the automotive industry for 20+

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