2005 Chevy Silverado OBDII P0449

Tiny
MAKO22
  • MEMBER
  • 2005 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 103,000 MILES
Evaporative Emission Vent Vlave Solinoid Circuit.

What does this mean and how do I fix the problem?
Do you
have the same problem?
Yes
No
Monday, June 22nd, 2009 AT 7:49 PM

3 Replies

Tiny
BLUELIGHTNIN6
  • EXPERT
DTC P0449 : Evaporative Emission (EVAP) vent Solenoid Control Circuit

This code is very common on this vehicle. The solution the majority of the time is to fix the wiring to the evap vent. The connector to the valve loses ground from the computer. At the pigtail, the wire turns green (corrodes) and loses the connection it needs. Replace the pigtail with #pt250. Be sure to use the updated valve and relocate the filter as well. If the wiring tests and looks OK, however, then suspect a faulty EVAP vent solenoid.
Was this
answer
helpful?
Yes
No
Monday, June 22nd, 2009 AT 8:20 PM
Tiny
MIKEVI
  • MEMBER
Nicely done, but kindly be clear what a #pt250 is, A terminal? Connector?
Was this
answer
helpful?
Yes
No
Tuesday, August 4th, 2009 AT 8:09 PM
Tiny
BLUELIGHTNIN6
  • EXPERT
Its the updated pigtail connection
Was this
answer
helpful?
Yes
No
Thursday, August 6th, 2009 AT 8:57 PM

Please login or register to post a reply.

Recommended Guides