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Home >> Dodge and Ram >> 1981 >> Colt Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Evaporation Control System >> Operation >> Fuel Tank Filler Cap
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Fuel Tank Filler Cap

Relief valves in gas cap operate to prevent excessive pressure or vacuum in tank caused by system malfunction or damage. The proper replacement cap must be used if original is lost or damaged.

CAUTION: Remove filler cap prior to removing or repairing fuel lines.