VW Code 12805

12805 Description And Summary :
Staring in engine intake manifold runner position sensor / switch, circuit bank 2 it can suddenly lead to a significantly more exhaust gas recirculation flow, excessive detected . So for next injector cylinder 13 (n390), open circuit is the final reason of the code.

12805 Possible Causes:

12805 vw fault code may be caused by one or more of the following:

Exhaust Gas Recirculation Sensor B Circuit High
Injector Circuit Malfunction - Cylinders
Crankshaft Position Sensor B Circuit Malfunction
Turbocharger Boost Sensor A Circuit Low
Cylinder 4 Contribution/Balance Fault
Cylinder 1 Injector Circuit Low
Crankshaft Position Sensor A Circuit Low Input
Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 12805 Code

Inspect all the connections injector control pressure sensor, circuit range / performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12805 Fault Code For Volkswagen Vehicles

The fault code 12805 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 12805 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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