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Home >> Plymouth >> 1987 >> Sundance 2D Hatchback, 2.2 D, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Evaporation System >> Operation >> Fuel Tank Filler Cap

Fuel Tank Filler Cap

Relief valves in fuel tank filler cap operate to prevent excessive pressure or vacuum in fuel tank. Proper replacement cap must be used if original cap is lost or damaged.