Evaporative Emissions System: Maintenance

Every 12 months or 15, 000 miles, check fuel vapor vent line by blowing through line with compressed air. Also inspect and test valves and clean charcoal canister cover air suction port. Every 30, 000 miles (Federal models) or 50, 000 miles (California models), replace all vapor lines in system and replace charcoal canister.

Fig 1: Fuel Evaporation System (Arrow Pickup & Ram-50 Pickup)

Courtesy of CHRYSLER GROUP, LLC

Fig 2: Fuel Evaporation System (Challenger & Sapporo)

Courtesy of CHRYSLER GROUP, LLC

Fig 3: Fuel Evaporation System (Champ & Colt)

Courtesy of CHRYSLER GROUP, LLC