P0456 Diagnostic Trouble Code Discussion for June 2011
EVAP System Small Leak
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| Help Request | Posted | |
| 2003 Dodge Caravan SE 3.3L MIL Lamp on, Evap system VIN: 1D4GP25R83 P0456: EVAP System Small Leak Detected. This has been an ongoing problem. Has been looked over many times. We replaced the leak detection pump and gas cap. We have smoked the system 3 times. The purge valve holds vacuum and releases (ok). Checked the vent valve which is not serviceable. Remove the c... |
June 03, 2011 | |
| 2005 Jeep Wrangler Unlimited Rubicon 4.0L incoplete moniters VIN: 1J4FA64S15 P0456: EVAP System Small Leak (0.020") Detected. trying to reset evap and o2 heater monitors . after numerous test drives fail mode 6 id 72. purge flow monitor , valve fraction. does anybady know exactly what this is monitoring and is this an actual purge valve problem or a leak i am not detecting |
June 06, 2011 |
