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P0452 and P0453: TYPICAL ENABLING CONDITIONS - P0452 AND P0453 TYPICAL MALFUNCTION THRESHOLDS P0451: Canister pressure sensor noise TYPICAL MALFUNCTION THRESHOLDS - P0451: CANISTER PRESSURE SENSOR NOISE P0451: Canister pressure sensor fixed/flat TYPICAL MALFUNCTION THRESHOLDS - P0451: CANISTER PRESSURE SENSOR FIXED/FLAT P0452: Canister pressure sensor low voltage TYPICAL MALFUNCTION THRESHOLDS - P0452: CANISTER PRESSURE SENSOR LOW P0453: Canister pressure sensor high voltage TYPICAL MALFUNCTION THRESHOLDS - P0453: CANISTER PRESSURE SENSOR HIGH WIRING DIAGRAM Monitor runs whenever following DTCs not present None Either of following conditions met (a) or (b) (a) Ignition switch ON (b) Soak timer ON Frequency that EVAP pressure change 0.3 kPa-g (2.25 mmHg-g) or more 10 times or more in 10 seconds EVAP pressure change during reference pressure Less than 0.65 kPa-g (4.87 mmHg-g) EVAP pressure Less than 42.1 kPa-a (315.9 mmHg-a) EVAP pressure More than 123.8 kPa-a (928.4 mmHg-a)
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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