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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LSY) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P04DB, P04E2, P04E3, or P04FB >> DTC Descriptor

DTC Descriptor

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DTC P04DB

Crankcase Ventilation System Disconnected

DTC P04E2

Crankcase Ventilation Hose Connection Pressure Sensor Circuit Low Voltage

DTC P04E3

Crankcase Ventilation Hose Connection Pressure Sensor Circuit High Voltage

DTC P04FB

Crankcase Ventilation Hose Connection Pressure Sensor Performance

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