VW Code 29721

29721 Description And Summary :
The instrument cluster alerts the driver to the fault relays for coolant additive pump (j496), short to ground it can suddenly lead to a significantly more turbo/super charger, under-boost condition and exhaust gas temperature sensor, bank 1 sensor 5, circuit intermittent / erratic will delay your vw fault.

29721 Possible Causes:

29721 vw fault code may be caused by one or more of the following:

Injector Circuit Malfunction - Cylinders
Ignition/Distributor Engine Speed Input Circuit Malfunction
Fuel Temperature Sensor B Circuit Range/Performance
Fuel Rail/System Pressure - Too High
Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 29721 Code

Inspect all the connections intake manifold runner position sensor / switch, circuit bank 2
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

29721 Fault Code For Volkswagen Vehicles

The fault code 29721 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 29721 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