P0442 Diagnostic Trouble Code Discussion for May 2023
EVAP System Small Leak Detected
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| Help Request | Posted | |
| 2009 Lincoln MKS 3.7L MIL Lamp on VIN: 1LNHM94R99 P0442: evap leak. helping our apprentice on this.p0442 evap leak. functional tests, smoke test few weeks back did see wisps from capless port.worked port open closed few times no smoke.monitoring evap during driving normal function vent closes tank pressure/vacuum responds ... |
May 22, 2023 |
