Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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Repairpal verified 2005 Chevrolet Uplander problems
Corrosion at the fuel tank to body harness may cause the Check Engine Light to illuminate or a crank no start condition. This corrosion issue is most commonly caused by a water leak inside the vehicle. Any damaged wiring or connectors will require replacement.
One or more of the power windows may stop working due to a failed window switch. Failed switches will require replacement.
The high pressure power steering hose will commonly leak fluid and should be replaced if this is the case.