P0456 Diagnostic Trouble Code Discussion for December 2022
EVAP System Small Leak
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| Help Request | Posted | |
| 2012 Hyundai Accent GLS 1.6L MIL Lamp on VIN: KMHCT4AEXC P0456: Evaporative Emission System - Leak Detected Very Small Leak. EVAP Vent Solenoid was replaced before I got involved with the vehicle. I scanned it and found the purge valve bad and the TSB for the ECU update but code has still returned. Didn't see any other signs of leaks well smoke testing either. |
December 04, 2022 | |
| 2008 Dodge Ram 1500 SXT 5.7L MIL Lamp on VIN: 1D7HU18298 P0456: Small evap leak detected. Having problems with intermittent "p0456 small evap leak" and "p0457 loose gas cap" codes. Vehicle came in after previous work related to evap system. Had 2 codes present as mentioned. I smoke tested evap system at filler neck and at the pu... |
December 12, 2022 | |
| 2008 Dodge Ram 1500 SXT 5.7L MIL Lamp on VIN: 1D7HU18298 P0456: Small evap leak detected. Having problems with intermittent "p0456 small evap leak" and "p0457 loose gas cap" codes. Vehicle came in after previous work related to evap system. Had 2 codes present as mentioned. I smoke tested evap system at filler neck and at the pu... |
December 13, 2022 |
