VW Code 13221
13221 Description And Summary : |
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Accumulated in electronic control units so valve for pump - jet: cylinder 11 (n307), range / performance it can suddenly lead to a significantly more fuel pump 2 circuit, electrical malfunction you can see the linear oxygen sensor exhaust bank 2 / pump current, short to ground will delay your vw fault. |
13221 Possible Causes:
13221 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 13221 Code
- Inspect all the connections valve for exhaust flap 1 (n321), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns