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    2007 Pontiac Grand Prix 3.8L SFI OHV 6cyl

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    Fuel Cap

    Fuel Cap Operation:

    A sealed or vented cap, fitted to the end of the fuel tank filler neck, to prevent fuel and fuel vapors from escaping into the atmosphere. The fuel cap is also used to keep foreign objects out of the fuel tank.

    How To Instructions:

    Inspect - Check for obvious problems.
    Replace - Out with the old, in with the new.

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