VW Code 19021
19021 Description And Summary : |
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This code were stamped on VW Engine case nox sensor bank 1, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust gas temperature bank 2, too high also fuel fired heater, performance will delay your vw fault. |
19021 Possible Causes:
19021 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 19021 Code
- Inspect all the connections exhaust bank 2 sensor 1 oxygen sensor signal, voltage too low during deceleration
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns