Question about 2003 GMC Yukon
When I fill the tank with gas the fuel gage jumps all over the place; from empty to half and etc.. When 3/4 tank full it's okay. What's up with this. OH, it happened when I woke up one day. ( just kidding about time). Please help, can I do this myself?
Irish your helping me with my tv i'll tell you i worked at gm dealer for years i say sending unit you either have to drop the tank or there my be a hole in floorboard over sending unit if you don't want to drop the tank and you can see where to cut a hole makes life much easier just cut 3 sides square peel back when done bend back and silicone that is the easiest but hack way
Posted on Dec 16, 2009
Had the same issue a year ago with my 2003 Yukon. It was a defective module for the dash cluster and was covered under SPECIAL COVERAGE Adjustment #07187. Not sure if it applies to the 2002 model year.
Posted on Nov 04, 2008
I would say that you could have one of two issues.
1 being a bad (intermitten) ground.
2 the rheostat on the sender is bad.
i have had this issue with a 1995 impala. the only issue is that you have to drop the tank to fix it.
i have tried to find the rheostat only for my car but gm doesn't sell it seperatly.
first , check the ground comming out of the tank and make sure that its good. if not, a new sender is needed.
hope this helps
Posted on Oct 07, 2008
a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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