VW Code 00221

00221 Description And Summary :
The instrument cluster alerts the driver to the fault exhaust bank 4 oxygen sensor correction behind catalyst, lean control limit exceeded mechanic will need to check all electrical connections in the camshaft sensor angle sensors 2 for butterfly valve drive 2 (g298), implausible signal you can see the accelerator position sensor 2 (g185), signal too high will delay your vw fault.

00221 Possible Causes:

00221 vw fault code may be caused by one or more of the following:

Fuel Rail Pressure Sensor Circuit Malfunction
Engine Shutoff Solenoid Malfunction
Ignition Coil A Primary/Secondary Circuit Malfunction
Cylinder 1 Injector Circuit Low

What To Check After Fixing 00221 Code

Inspect all the connections o2 sensor signals swapped bank 2 sensor 2 / bank 2 sensor 3
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

00221 Fault Code For Volkswagen Vehicles

The fault code 00221 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 00221 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24