P0456 Diagnostic Trouble Code Discussion for January 2023
EVAP System Small Leak
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| Help Request | Posted | |
| 2010 Jeep Grand Cherokee Laredo 3.7L MIL Lamp on VIN: 1J4PR4GK4A P0456: Small Evap leak. Good Afternoon , Been trying to resolve this code a few times. The vent valve on the canister was leaking when I commanded it closed, so we replaced it and did bay test- it passed. came back after 3 weeks with the same code. Smoked the system and it doesn'... |
January 04, 2023 |
