2008 Jeep Wrangler Owner's Manual - Page 342
2008 Jeep Wrangler Manual
Page 342 highlights
STARTING AND OPERATING 341 CAUTION! Damage to the fuel system or emission control system could result from using an improper fuel cap (gas cap). A poorly fitting cap could let impurities into the fuel system. Also, a poorly fitting aftermarket cap can cause the Malfunction Indicator Light to illuminate, due to fuel vapors escaping from the system. WARNING! • Never have any smoking materials lit in or near the vehicle when the gas cap is removed or the tank filled. • Never add fuel when the engine is running. This is in violation of most state and federal fire regulations and will cause the Malfunction Indicator Light to turn on. NOTE: Tighten the gas cap about 1/4 turn until you hear one click. This is an indication that cap is properly tightened. If the gas cap is not tightened properly, the Malfunction Indicator Light will come on. Be sure the gas cap is tightened every time the vehicle is refueled. 5 CAUTION! To avoid fuel spillage and overfilling, do not "top off" the fuel tank after filling. NOTE: When the fuel nozzle "clicks" or shuts off, the fuel tank is full.
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