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P0449 Diagnostic Trouble Code Discussion for December 2007

EVAP Vent Solenoid Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0449
Help Request Posted
2001 Chevrolet S10 4.3L MIL Lamp on VIN: 1GCDT19W9I
P0449: EVAP Vent Solenoid Control Circuit Malfunction. ... Replace with gm vent. Vehicle back the next week only the p0446. p0449 had always been a history code - never seen it current. But now we have pressure in the system when gas tank cap removed, and vehicle is hard to fill with gas. warranty the tank vent. V...
December 14, 2007