P0456 Diagnostic Trouble Code Discussion for September 2017
EVAP System Small Leak
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| Help Request | Posted | |
| 2006 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, MIL Lamp on VIN: 1J4HR58N66 P0456: EVAP System Small Leak Detected. Greetings! Nothing obvious noticed in evap lines, etc. Hooked up smoke machine to rear evap line under hood - smoke comes through NVLD motor whether solenoid is on or off. Alldata's description of the system just isn't working for me - maybe it's because we're... |
September 27, 2017 |
