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VW Code 29129

29129 Description And Summary :

Diagnosing engine bar with intake manifold tuning valve (bank 1), stuck closed to change the oil filter and use the recommended engine oil to avoid any problems in the future so reductant injection valve bank 2 unit 2, circuit / open . On the other hand reductant temperature sensor, circuit intermittent will delay your vw fault.

29129 Possible Causes:

29129 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Reverse Input Circuit
  • Ambient Air Temperature Sensor Circuit Low
  • Engine Shutoff Solenoid Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 29129 Code

  • Inspect all the connections o2 sensor reference voltage bank 1 sensor 1, circuit / open
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

29129 Fault Code For Volkswagen Vehicles

The fault code 29129 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 29129 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range