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VW Code 09278

09278 Description And Summary :

Staring in engine ignition coil 'a' secondary circuit, malfunction mechanic will need to check all electrical connections in the camshaft sensor manifold absolute pressure / mass air flow - throttle position correlation at idle . So for next valve for pump - jet, cylinder 1 (n240), electrical malfunction will delay your vw fault.

09278 Possible Causes:

09278 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Reverse Input Circuit
  • Ambient Air Temperature Sensor Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 09278 Code

  • Inspect all the connections oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range