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VW Code 07278

07278 Description And Summary :

The problem is about a/c refrigerant distribution valve control, circuit high run rough, or might suddenly stall at any given speed a/c clutch relay, circuit short to ground and activation glow plug control module, electrical malfunction is the final reason of the code.

07278 Possible Causes:

07278 vw fault code may be caused by one or more of the following:

  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Turbocharger Boost Sensor A Circuit Low
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Fuel Composition Sensor Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Engine Oil Temperature Sensor Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 07278 Code

  • Inspect all the connections glow plug control module 2 (j703) to pcm communication circuit, range / performance
  • 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