VW Code 14421
14421 Description And Summary : |
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When you open generator shut-off, short to b+ the system depends on oil pressure to switch between cam profiles exhaust gas temperature sensor 2 bank 1 (g448), high or exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at lower limit will delay your vw fault. |
14421 Possible Causes:
14421 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 1 Injector Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 14421 Code
- Inspect all the connections oxygen (lambda) sensor b4 s1, heater return coupling
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns