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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC P054E or P054F >> DTC Descriptor s

DTC Descriptor s

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DTC P054E

Idle Control - Fuel Quantity Lower Than Expected

DTC P054F

Idle Control - Fuel Quantity Higher Than Expected

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