2001 Dodge Pickup R1500 LEAK DETECTION PUMP (LDP) OPERATION AND DIAGNOSIS

download The evaporative emission system is designed to prevent the escape of fuel vapors from the fuel system. Leaks in the system, even small ones, can allow fuel vapors to escape into the atmosphere. Government regulations require onboard testing to make sure that the evaporative (EVAP) system is functioning properly. The leak detection system tests [...]