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P0442 Diagnostic Trouble Code Discussion for August 2013

EVAP System Small Leak Detected

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Trouble Ticket Help Requests for DTC P0442
Help Request Posted
2001 Jeep Wrangler SE 4.0L MIL Lamp on VIN: 1J4FA49S61
P0442: EVAP System Medium Leak (0.040") Detected. ok thanks in advance replaced ldp and factory gas cap,I smoke evap system and only leak is at ldp at hose going to filter,If I plug hose no leak.and pressure will build up. could ldp be defective or am I missing missing something. While pressure is building if...
August 21, 2013