2000 GMC Sonoma Owner's Manual - Page 129

Check Gages Light If this light comes on and stays on while you are driving, check your coolant temperature and engine oil pressure gages to see if they are in the warning zones. Here are four things that some owners ask about. None of these show a problem with your fuel gage: D At the gas station, the gas pump shuts off before the gage reads F (Full). D It takes a little more or less fuel to fill up than the gage indicated. For example, the gage may have indicated the tank was half full, but it actually took a little more or less than half the tank's capacity to fill the tank. or speed up. D The gage moves a little when you turn a corner Fuel Gage When the ignition is on, the fuel gage tells you about how much fuel you have remaining. D The gage doesn't go back to E (Empty) when you turn off the ignition. Low Fuel Light This light comes on briefly when you start your engine. This light comes on when the fuel tank is low on fuel. To turn it off, add fuel to the fuel tank. See "Fuel" in the Index. 2-66