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P0449 Diagnostic Trouble Code Discussion for July 2008

EVAP Vent Solenoid Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0449
Help Request Posted
2001 Oldsmobile Silhouette GL 3.4L Surge VIN: 1GHDX13E8Y
P0449: EVAP Vent Solenoid Control Circuit Malfunction. HI. This engine has a 200rpm surge, and no misfires, about twice a second under light load/accel when running between 40-60 mph in high gear, TCC lock. The two codes shown do not relate to the problem: the trans adapts show up once in a great while, and the Ev...
July 22, 2008
2001 Oldsmobile Silhouette GL 3.4L Surge VIN: 1GHDX13E8Y
P0449: EVAP Vent Solenoid Control Circuit Malfunction. HI. This engine has a 200rpm surge, and no misfires, about twice a second under light load/accel when running between 40-60 mph in high gear, TCC lock. The two codes shown do not relate to the problem: the trans adapts show up once in a great while, and the Ev...
July 22, 2008