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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 2.5L (LCV) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P0451-P0454 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P0451 

Fuel Tank Pressure Sensor = Not within a calibrated range

P0452 

Fuel Tank Pressure Sensor = Less than 0.15 V - For greater than 10 s

P0453 

Fuel Tank Pressure Sensor = Greater than 4.85 V - For greater than 10 s

P0454 

Fuel Tank Pressure Sensor = Signal Erratic

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