P1494 Diagnostic Trouble Code Discussion for December 2010
EVAP Leak Detection Pump Switch Or Mechanical Fault
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| Help Request | Posted | |
| 2000 Jeep Cherokee Sport 4.0L MIL Lamp on VIN: 1J4FF48S6Y P1494: EVAP Leak Detection Pump Switch Or Mechanical Fault. All my tests are passing even put the gas cap on the smog machine and tested cap PASSED. I even found a vacuum canister that would have been very hard to find (behind headlamp) it passes a vacuum decay test . I removed parts of sys one by one and leak tested ,... |
December 10, 2010 |
