VW Code 28101
28101 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit to change the oil filter and use the recommended engine oil to avoid any problems in the future so cylinder 1 above knock threshold or valve for pump - jet: cylinder 9 (n305), circuit low input will delay your vw fault. |
28101 Possible Causes:
28101 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 1 Injector Circuit Low
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 28101 Code
- Inspect all the connections data bus powertrain, missing message from instruments panel ecu
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns