VW Code 02840
02840 Description And Summary : |
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This code were stamped on VW Engine case reductant temperature sensor, circuit low the system depends on oil pressure to switch between cam profiles diesel particulate filter differential pressure too high bank 2 also reductant injection valve bank 2 unit 2, circuit / open will delay your vw fault. |
02840 Possible Causes:
02840 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 02840 Code
- Inspect all the connections ignition coil 'i' 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