VW Code 07405

07405 Description And Summary :
Staring in engine exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded to change the oil filter and use the recommended engine oil to avoid any problems in the future so fuel pump, mechanical malfunction and wait then secondary air injection system control 'b', circuit low is the final reason of the code.

07405 Possible Causes:

07405 vw fault code may be caused by one or more of the following:

Engine Shutoff Solenoid Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Reverse Input Circuit
Fuel Temperature Sensor B Circuit Range/Performance
Exhaust Gas Recirculation Sensor B Circuit High
Cylinder 4 Contribution/Balance Fault
Cold Start Injector 1 Malfunction
Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 07405 Code

Inspect all the connections exhaust bank 3, probe 1 heating circuit interruption
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

07405 Fault Code For Volkswagen Vehicles

The fault code 07405 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 07405 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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