p0446
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Torque app question / Evap code help (P0446)
Vehicle: 2003 Chevy Tahoe 1500 LT (with 5.3L V8) I understand that Code P0446 means the car's computer has detected a problem with the EVAP system vent valve. I have tested the evap system vent valve. It is open when not activated and closed (holds vacuum) when activated with a 12v supply. I...- Kaz26
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- evap fuel tank pressure sensor p0446
- Replies: 9
- Forum: Engine & Drivetrain
