VW Code 16578
16578 Description And Summary : |
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Diameter in engine reductant injection valve bank 1 unit 2, circuit low to change the oil filter and use the recommended engine oil to avoid any problems in the future so fuel mode indicator lamp control, circuit also o2 sensor signal bank 2 sensor 3, biased / stuck lean will delay your vw fault. |
16578 Possible Causes:
16578 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 16578 Code
- Inspect all the connections exhaust pressure regulator vent solenoid, control circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns