VW Code 04308

04308 Description And Summary :
Accumulated in electronic control units so evaporative emissions (evap) fuel vapour temperature sensor, circuit low voltage to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection valve 4 (n385), circuit short to ground also butterfly valve control unit 2 (j544), of mechanical errors will delay your vw fault.

04308 Possible Causes:

04308 vw fault code may be caused by one or more of the following:

Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Cylinder 4 Contribution/Balance Fault
Fuel Rail Pressure Sensor Circuit Malfunction
Fuel Temperature Sensor B Circuit Range/Performance
Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 04308 Code

Inspect all the connections exhaust bank 4, sensor 2, no activity
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04308 Fault Code For Volkswagen Vehicles

The fault code 04308 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 04308 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24