VW Code 02870
02870 Description And Summary : |
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Staring in engine secondary air injection system air flow/pressure sensor bank 1, circuit low It could be due to limited air getting through your air intake glow plug/heater relay 2 circuit, short to b+ . So for next supply voltage for fuel injector group a, short to ground is the final reason of the code. |
02870 Possible Causes:
02870 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 02870 Code
- Inspect all the connections activation starter relay 2, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns