VW Code 12071

12071 Description And Summary :
This code were stamped on VW Engine case exhaust gas temperature sensor, bank 1 sensor 4, circuit intermittent / erratic the system depends on oil pressure to switch between cam profiles linear oxygen sensor exhaust bank 4 / reference voltage, short to ground and wait then system too lean at higher load, bank 2 is the final reason of the code.

12071 Possible Causes:

12071 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor B Circuit Malfunction
Fuel Rail/System Pressure - Too High
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Crankshaft Position Sensor A Circuit Malfunction
Cylinder 4 Contribution/Balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 12071 Code

Inspect all the connections barometric pressure sensor 'a', circuit low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12071 Fault Code For Volkswagen Vehicles

The fault code 12071 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 12071 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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