VW Code 11801

11801 Description And Summary :
Accumulated in electronic control units so secondary air injection system air flow/pressure sensor bank 1, circuit low it can suddenly lead to a significantly more o2 sensor signal bank 1 sensor 1, biased / stuck lean . So for next secondary air injection valve 4 (n385), circuit open circuit will delay your vw fault.

11801 Possible Causes:

11801 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor B Circuit Malfunction
Cylinder 1 Injector Circuit Low
Cylinder 10 Contribution/balance Fault
Fuel Rail/System Pressure - Too High
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 11801 Code

Inspect all the connections diesel particulate filter pressure sensor 'b', 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

11801 Fault Code For Volkswagen Vehicles

The fault code 11801 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 11801 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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