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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (1 Of 3)) >> Diagnostic Information and Procedures >> DTC P0191-P0194, P127C, or P127D >> Conditions for Setting the DTC

Conditions for Setting the DTC

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

P0191 

Fuel Rail Pressure Sensor 1 = Not within a calibrated range - For greater than 1 s

P0192 

Fuel Rail Pressure Sensor 1 = Less than 0.25 V - For greater than 1 s

P0193 

Fuel Rail Pressure Sensor 1 = Greater than 4.75 V - For greater than 1 s

P0194 

Fuel Rail Pressure Sensor = Not Plausible - For greater than 1 s

P127C 

Fuel Rail Pressure Sensor 2 = Less than 0.25 V - For greater than 1 s

P127D 

Fuel Rail Pressure Sensor 2 = Greater than 4.75 V - For greater than 1 s

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