Question about 2004 GMC Envoy
My gas light is now on with a full tank of gas and reads empty. My check engine light is also on. Already serviced last month and has a full tank of gas. Gas cap is on nice and tight too. Any suggestions?
The problem is that there are updates for the computer in your vehicle.The dealership can do what they call a flash and install those updates.The bad part in my opinion is that they dont inform the public of this and they will try to sell you a new computer when you dont need it.
Posted on Mar 03, 2009
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Posted on Jan 02, 2017
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