Section 30 (Engine Controls And Fuel - 4.3L (LV1) - Description And Operation)
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- Description and Operation
- Engine Control Module Description
- Throttle Actuator Control (TAC) System Description
- Fuel System Description
- Fuel System Overview
- E85 Flex Fuel Description
- Switching Between Gasoline and E85
- Electronic Returnless Fuel System
- Chassis Control Module
- Fuel Pressure Sensor
- Fuel Tank
- Fuel Fill Pipe
- Fuel Filler Cap
- Fuel Tank Fuel Pump Module
- Fuel Level Sensor
- Fuel Pump
- Pressure Relief Regulator Valve
- Fuel Strainer
- Primary Jet Pump
- Nylon Fuel Pipes
- Quick-Connect Fittings
- Fuel Feed Front Pipe Check Valve
- High Pressure Fuel Pump
- Fuel Rail Assembly
- Fuel Injectors
- Fuel Rail Pressure Sensor
- Fuel Metering Modes of Operation
- Starting Mode
- Clear Flood Mode
- Run Mode
- Acceleration Mode
- Deceleration Mode
- Battery Voltage Correction Mode
- Fuel Cutoff Mode
- Fuel Trim
- Evaporative Emission Control System Description
- Electronic Ignition System Description
- Catalytic Converter Description and Operation
- Heated Oxygen Sensor Description and Operation
- Inspection/Maintenance Description and Operation
- Camshaft Actuator System Description
- Speed Limiting Description