VW Code 15321
15321 Description And Summary : |
---|
When you open oxygen (lambda) sensor b3 s1, heater return coupling mechanic will need to check all electrical connections in the camshaft sensor radiator exhaust control 2, short-circuit after pluses and wait then wheel speed signal 2, range / performance is the final reason of the code. |
15321 Possible Causes:
15321 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
- Fuel Rail/System Pressure - Too High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 15321 Code
- Inspect all the connections power supply (b+) terminal 15, 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