Question about 2004 Chevrolet Tahoe

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My oil gauge is stuck at 80 (this is max)...help??? Melissa

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You could just have a bad oil sending unit.You will have to have the oil pressure tested.The other thing is there is a recall for the instrument gauges sticking.This would be a free repair if you are under 70k miles and 7yrs.If your over then up to 80k miles the dealership will furnish the part but you have to pay for the labor.But I would get the oil pressure checked first.The recall number is 07187C.Good luck.

Posted on Dec 10, 2009

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It could be the sensor that screws into the back of the intake manifold next to the distributor. It is an electric sensor so it could also be the connection where the harness plugs onto it. Check to make sure nobody unplugged or loosened the wires during a tuneup. Those are the inexpensive things to check. Since you said the gauge is stuck on 80 I don't think it is the gauge itself since the tend to go to 0. If it is the gauge the whole gauge cluster panel will need to be changed out. You may have to take it to a shop to determine if the gauge cluster is the cause. Good luck.

Posted on Dec 10, 2009

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