VW Code 28020
28020 Description And Summary : |
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This code were stamped on VW Engine case exhaust gas temperature sensor 2 bank 1 (g448), range / performance run rough, or might suddenly stall at any given speed bank 2, system too rich at idle and wait then exhaust bank 3 sensor 1, voltage too low or air leak is the final reason of the code. |
28020 Possible Causes:
28020 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Low Input
- Engine Shutoff Solenoid Malfunction
- Cold Start Injector 1 Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 28020 Code
- Inspect all the connections control module throttle actuator position, performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns