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P0449 Code Help
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02-20-2009, 11:52 PM
HUMTECH
Hummer Authority
Join Date: Sep 2003
Location: Canada
Posts: 1,251
Re: P0449 Code Help
Evap vent solenoid control code. Supply voltage shorted to ground or open to the vent solenoid. Control circuit shorted to ground, voltage or open. If all those test good you need a evap vent solenoid.
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