LEMON Manuals: Even more car manuals for everyone
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 >> Circuit/System Description

Circuit/System Description

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

For an overview of the component/system, refer to : Fuel System Description

Circuit Description
5 V Reference Regulated voltage supplied by the control module.
Signal The control module input circuit has an internal resistance connected to 5 V.
Low Reference Grounded through the control module.
Component Description
B47B Fuel Rail Pressure Sensor - Fuel Rail Pressure Sensor 1 The sensor measures the pressure in the component : Fuel Rail - The signal voltage increases when the pressure increases.
B47B Fuel Rail Pressure Sensor - Fuel Rail Pressure Sensor 2 The sensor measures the pressure in the component : Fuel Rail - The signal voltage decreases when the pressure increases.
K20 Engine Control Module The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly.
scientia non olet · About LEMON Manuals