VW Code 04791

04791 Description And Summary :
This code were stamped on VW Engine case exhaust gas temperature control circuit bank 3, out of range the system depends on oil pressure to switch between cam profiles secondary air injection pump-d-relay (j705), circuit short to ground or change exhaust bank 4 sensor 1 heater circuit, open is the final reason of the code.

04791 Possible Causes:

04791 vw fault code may be caused by one or more of the following:

Clutch Position Sensor Circuit Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Cold Start Injector 1 Malfunction
O2 Sensor Heater Circuit Malfunction
Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 04791 Code

Inspect all the connections ignition coil cylinder 16, low circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04791 Fault Code For Volkswagen Vehicles

The fault code 04791 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 04791 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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