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P0446 Diagnostic Trouble Code Discussion for March 2007

EVAP Vent System Performance


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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2000 Chevrolet S10 4.3L Poor Fuel Economy, MIL Lamp on VIN: 1GCCT19WXY
P0446: EVAP Vent System Performance. About a week after the fuel pump was changed the check engine light came on without any driveability symptoms. Customer has been living with it but now wants it fixed. When the mil came on, at first it was intermittent and now it stays on all of the time. I he...
March 01, 2007
1996 Toyota Camry DX 2.2L MIL Lamp on VIN: JT2BG12K9T
P0446: EVAP Vent Control Solenoid Circuit Malfunction. hello everybody this car came in with a po446 code, checked for tsb's, none related to this code in mitchell. so I print the check chart and crossed my fingers, I look at freeze frame and notice vapor press. sensor reads 155.23 psi so I go to data screen and s...
March 08, 2007
2000 Chevrolet S10 4.3L Poor Fuel Economy, MIL Lamp on VIN: 1GCCT19WXY
P0446: EVAP Vent System Performance. About a week after the fuel pump was changed the check engine light came on without any driveability symptoms. Customer has been living with it but now wants it fixed. When the mil came on, at first it was intermittent and now it stays on all of the time. I he...
March 10, 2007
2000 Oldsmobile Bravada 4.3L MIL Lamp on VIN: 1GHDT13W0Y
P0446: EVAP Vent System Performance. ... SES light is on with codes P0446, PO452 and PO453 I am not real familiar with these codes other than I know the 446 code can be just a loose gas cap. The other two are refering to low voltage and high voltage at the fuel tnk pressure sensor. I dont want to...
March 15, 2007
2003 Toyota Tacoma DLX 3.4L MIL Lamp on VIN: 5TEN92N032
P0446: EVAP Vent Control Solenoid Circuit Malfunction. This vehicle came in and used car dealer request reset check engine light, after four days driving light is on with these three codes, I smoke test and only getting smoke out of the vent line only. I replaced canister in the pass for p0441 only, but not the p0...
March 20, 2007
2004 Chevrolet Silverado 1500 4.8L cannot fuel vehicle
P0446: EVAP Vent System Performance. hello, and thanks in advance for any help. this chevy came in because the customer could not fill the gas tank. pump would click off every 50-75 cents. it also had mil on, po446,evap vent control problem. removed evap vent solenoid, found it was stuck shut. re...
March 28, 2007
2004 Chevrolet Silverado 1500 4.8L cannot fuel vehicle
P0446: EVAP Vent System Performance. hello, and thanks in advance for any help. this chevy came in because the customer could not fill the gas tank. pump would click off every 50-75 cents. it also had mil on, po446,evap vent control problem. removed evap vent solenoid, found it was stuck shut. re...
March 29, 2007