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P0456 Diagnostic Trouble Code Discussion for July 2012

EVAP System Small Leak

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Trouble Ticket Help Requests for DTC P0456
Help Request Posted
2009 Suzuki SX4 2.0L MIL Lamp on VIN: JS2YA41129
P0456: small leak detected. ... with reoccurring code p0456. When first came in diagnosed problem to a vent valve. Vehicle returned 500 kms later same code. Re-diagnose, we found that the purge solenoid holds vacuum until energized and we can control purge valve through snap on scanner, ...
July 30, 2012
2006 Hyundai Sonata GL 2.4L MIL Lamp on VIN: KMHET46C26
P0456: EVAP System Very Small Leak Detected. Customer came in with p0456 small evap leak, wanted us to smoke it to find a leak, started with mitchell flow chart for p0456. Tested purge solenoid. With the key on the purge solenoid would be on (barely heard it clicking) checked and found 4.2 volts on the g...
July 31, 2012