P0440 Diagnostic Trouble Code Discussion for August 2023
General EVAP System Failure
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| Help Request | Posted | |
| 2004 Jeep Liberty Sport 3.7L MIL Lamp on VIN: 1J4GL48KX4 P0440: General EVAP System Failure. ... did not work with scanner or with jumper wires. Replaced purge valve with new one from dealership. Customer returned few weeks later with mil back on. Code found was p0440. We have leak tested fuel tank, all lines, vapor... |
August 11, 2023 |
