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P0446 Diagnostic Trouble Code Discussion for April 2013

EVAP Vent System Performance


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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2008 Chevrolet Silverado 1500 LT 5.3L No Start
P0446: evap vent code. Got this one in today. No start, no fuel psi. Has spot for fuel pump fuse and relay, but nothing in either spot. Customer started it and put in reverse and it died. I have change lots of gm fuel pumps, but not on this newer body style. I am gathering that it i...
April 16, 2013
2008 Chevrolet Silverado 1500 LT 5.3L No Start
P0446: evap vent code. Got this one in today. No start, no fuel psi. Has spot for fuel pump fuse and relay, but nothing in either spot. Customer started it and put in reverse and it died. I have change lots of gm fuel pumps, but not on this newer body style. I am gathering that it i...
April 16, 2013