P0446 Diagnostic Trouble Code Discussion for March 2017
EVAP Vent System Performance
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| Help Request | Posted | |
| 1999 Lexus ES300 3.0L No Start VIN: JT8BF28GXX P0446: EVAP Vent Control Solenoid Circuit Malfunction. Pulling our hair out-Battery came in as toast-new battery & good cranking speed- compression on front 3 cyl-#2- 90psi, #4-65 psi & #6-130 psi, plugs fuel fouled & customer tried cranked alot to try to get started- Engine oil is not contaminated but... |
March 24, 2017 | |
| 2009 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 3GCEK23329 P0446: evap vent syystem. ... code p0446. Replaced evap vent valve 4 years ago for code p0449 no problem since. hooked up scanner to gothrough diagnostic and said to remove fuel cap and check fuel press sensor volts between 1.3 and 1.7 it's at 2.9. Next is to check fps circuit, alldata... |
March 31, 2017 |
