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Home >> Pontiac >> 1981 >> T1000 2D Hatchback, Automatic Trans >> Repair and Diagnosis (Single Page) >> Electrical >> Switches, Gauges & Instrument Panels >> Description & Operation >> Water in Fuel Lamp

Water in Fuel Lamp

Diesel engine vehicles use an indicator to show if there is water in the fuel. The light should come on with ignition on. If there is water in the fuel, the indicator will come on about 20 seconds after engine has been started.