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Home >> Jeep >> 2000 >> Cherokee Classic, 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self Diagnostics >> Diagnostic Tests >> DTC P0442: EVAP Leak Monitor Medium (.040") Leak Detected DTC P0455: EVAP Leak Monitor Large Leak Detected DTC P0456: EVAP Leak Monitor Small (.020") Leak Detected >> Notes

DTC P0442: EVAP Leak Monitor Medium (.040") Leak Detected DTC P0455: EVAP Leak Monitor Large Leak Detected DTC P0456: EVAP Leak Monitor Small (.020") Leak Detected: Notes

NOTE: For circuit identification and wiring diagram, see WIRING DIAGRAMS article. If Powertrain Control Module (PCM) is replaced, PCM must be reprogrammed. See PROGRAMMING  . After each repair procedure has been completed, reconnect all components. Perform TEST VER-6  under VERIFICATION TESTS to ensure system is functioning properly.
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