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2001 Lexus RX300, ECM/Inputs/Outputs Scandata
This graph is of the vapor pressure during the evap monitor. Note the slow rise in VP when the CCV valve opens and hence the P0446 sets. A restriction in the vacuum/pressure line from the canister to the gas tank was at fault.
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| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Bad |
References
Vehicle Data
2001 Lexus RX300 3.0L
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed AutomaticTransaxle (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Bad |
Video