P0456: Evaporative Emission Control System Leak Detected (very small l
06-03-2011, 01:14 PM
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My Ride: 95 M3 CAI, chipped, pulleys, Xbrace, doesn't give headaches every time I start up!
04 545i all the goodies INCLUDING HEADACHES!
Getting this code P0456 on my 04 545i.
The dealer scanned and said it was either the check valve or thermostat.
I changed them both Plus the DMTL pump and the gas cap.
Silicone greased all the connections that I can get to at the pump and engine compartment where the check valve connects.
What else can it be?
Thanks
The dealer scanned and said it was either the check valve or thermostat.
I changed them both Plus the DMTL pump and the gas cap.
Silicone greased all the connections that I can get to at the pump and engine compartment where the check valve connects.
What else can it be?
Thanks
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