VW Code 28842
28842 Description And Summary : |
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The problem is about o2 sensor pumping current trim bank 1 sensor 1, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system oxygen sensor bank 3 sensor 1, internal resistance too large or change data-bus powertrain, hardware defective is the final reason of the code. |
28842 Possible Causes:
28842 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Glow Plug/Heater Circuit 'A' Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 28842 Code
- Inspect all the connections ignition coil 'b' primary control, short to plus
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns