I failed a smog test and the code was po456 which I have seen relates to an evaporative system leak. I just got an oul change and they said I had a slight oil leak. Could this be the cause for the po456 code? Also on the smog test the only ECS test that I failed was "System Malfunction Light" I would appreciate any input.
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Sunday, June 13th, 2010 AT 5:26 PM
3 Replies
RASMATAZ
MECHANIC
75,992 POSTS
P0456 EVAP Leak Monitor Small Leak Detected
Get the evaporative control system smoke tested-could be the fuel cap