VW Code 29140

29140 Description And Summary :
The problem is about fuel mixture control adjustment range 3, higher limit not reached it can suddenly lead to a significantly more valve for pump - jet: cylinder 12 (n308), electrical malfunction . So for next sensor 3 for intake air temperature (g520), signal high is the final reason of the code.

29140 Possible Causes:

29140 vw fault code may be caused by one or more of the following:

Cylinder 10 Contribution/balance Fault
Clutch Position Sensor Circuit Malfunction
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Timing Reference High Resolution Signal A Too Many Pulses
Exhaust Gas Recirculation Sensor B Circuit High
Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 29140 Code

Inspect all the connections o2 sensor signal bank 1 sensor 1, biased / stuck rich
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

29140 Fault Code For Volkswagen Vehicles

The fault code 29140 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 29140 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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