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P0449 Diagnostic Trouble Code Discussion for November 2014

EVAP Vent Solenoid Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0449
Help Request Posted
2008 Chevrolet Colorado LT 3.7L Evap, O2 monitors VIN: 1GCDT13E18
P0449: Evap Vent Solenoid Circuit. Having trouble getting O2 or Evap monitor to run, all I need is one more monitor ready for the IEPA emissions test. I first tried by letting the Evap monitor run naturally which runs the first part consistently and also runs the key off portion, I am able to...
November 16, 2014
2008 Chevrolet Colorado LT 3.7L Evap, O2 monitors VIN: 1GCDT13E18
P0449: Evap Vent Solenoid Circuit. Having trouble getting O2 or Evap monitor to run, all I need is one more monitor ready for the IEPA emissions test. I first tried by letting the Evap monitor run naturally which runs the first part consistently and also runs the key off portion, I am able to...
November 17, 2014
2009 Pontiac Torrent 3.4L codes not clearing VIN: 2CKDL33F09
P0449: vent selonoid control fault. ... more than the listed codes, O2 sensor heaters, A/C circuit, and Fan circuit. The customer could not leave at that time. Got it back today. P0443, and p0449 are the only codes still stored. The customer said the light came on after driving in the snow storm...
November 28, 2014