VW Code 16491

16491 Description And Summary :
When you open reversing light, circuit short to b+ it can suddenly lead to a significantly more exhaust bank 4 main catalyst, effectiveness too low or coolant fan control 2: open or short to ground is the final reason of the code.

16491 Possible Causes:

16491 vw fault code may be caused by one or more of the following:

Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Engine Shutoff Solenoid Malfunction
Turbocharger Boost Sensor A Circuit Low
Reverse Input Circuit
Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 16491 Code

Inspect all the connections cylinder 9 above knock threshold
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

16491 Fault Code For Volkswagen Vehicles

The fault code 16491 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 16491 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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