P0455 Diagnostic Trouble Code Discussion for May 2023
EVAP System Large Leak
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| Help Request | Posted | |
| 2005 Chevrolet Avalanche 1500 LT 5.3L MIL Lamp on VIN: 3GNEK12Z05 P0455: EVAP System Large Leak Detected. Everyone, this one has us stumped... We have fixed several leaks and installed new vent solenoid. Customer installed purge and canister, and both check fine, also replaced tank pressure sensor, just because when we had the tank out. The really strange thin... |
May 24, 2023 |
