VW Code 29458

29458 Description And Summary :
The problem is about cam shaft position sensor (g40), signal outside of the tolerance It could be due to limited air getting through your air intake glow plug / heater relay, circuit short to b+ . So for next oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded will delay your vw fault.

29458 Possible Causes:

29458 vw fault code may be caused by one or more of the following:

Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Glow Plug/Heater Circuit 'A' Malfunction
Cylinder 10 Contribution/balance Fault
Shift Solenoid E Performance or Stuck Off
Crankshaft Position Sensor A Circuit Malfunction
Cylinder 1 Injector Circuit Low

What To Check After Fixing 29458 Code

Inspect all the connections egr system, regulation range not reached
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

29458 Fault Code For Volkswagen Vehicles

The fault code 29458 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 29458 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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