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P0446 Diagnostic Trouble Code Discussion for June 2010

EVAP Vent System Performance

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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2004 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBUF65J24
P0446: Emmision Control System Vent. ... anything, so bear with me. I have this mercades that is giving me fits. I have figured out the P0446 and the P0128. Alldata does not list any test for the p0452. We called them and even said they did not have and testing procedure and told us to look on th...
June 01, 2010