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P1494 Diagnostic Trouble Code Discussion for August 2008

EVAP Leak Detection Pump Switch Or Mechanical Fault

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Trouble Ticket Help Requests for DTC P1494
Help Request Posted
2004 Jeep Grand Cherokee Laredo 4.7L MIL Lamp on VIN: 1J4GW48N54
P1494: EVAP Leak Detection Pump Switch Or Mechanical Fault. Jeep came in with check engine light. Lifted on hoist and fuel was dripping out of the pump. Talked with customer and found out she was over filling fuel tank. We replaced the pump and road tested it. No light on. Customer calls back in a week and says light i...
August 14, 2008