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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Controls And Fuel - 4.3L (LV1) - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC P0191, P0192, P127C, P128A, P128B, P16E4, or P16E5 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

P0191 

The difference between the following parameters is greater than a predefined value : Fuel Rail Pressure Sensor 1 & Fuel Rail Pressure Sensor 2 - For greater than 2.6 s

P0192 

Fuel Rail Pressure Sensor 1 = Less than a predefined threshold - For greater than 2.6 s

P0193 

Fuel Rail Pressure Sensor 1 = Greater than a predefined threshold - For greater than 2.6 s

P127C 

Fuel Rail Pressure Sensor 2 = Greater than a predefined threshold - For greater than 2.6 s

P128A 

Fuel Rail Pressure Sensor 1 = Greater than a predefined threshold - For greater than 2.6 s

P128B 

Fuel Rail Pressure Sensor 2 = Greater than a predefined threshold - For greater than 2.6 s

P16E4 

Fuel Rail Pressure Sensor Signal = Less than a predefined threshold - For greater than 2.6 s

P16E5 

Fuel Rail Pressure Sensor Signal = Greater than a predefined threshold - For greater than 2.6 s

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