P0456 Diagnostic Trouble Code Discussion for July 2020
EVAP System Small Leak
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| Help Request | Posted | |
| 2008 Scion xD 1.8L MIL Lamp on VIN: JTKKU10448 P0456: testing and results. This vehicle intermitantly set P0456. Doing smoke test there is good flow through canister vent valve. When valve is acuated smoke decreases but does not completley stop. Same result with a new canister. Am I missing something? Thanks in advance... |
July 01, 2020 | |
| 2004 Toyota RAV4 2.4L MIL Lamp on VIN: JTEGD20V94 P0456: EVAP System Very Small Leak Detected. ... have this 02 RAV4 with a MIL and only code is P0456. I'm sure I'm not the only one easily confused by this EVAP system. As stated earlier I tested all three VSV and they appear to be working properly. Have good engine vacuum at the purge valve. I seal... |
July 23, 2020 |
