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VW Code 07678

07678 Description And Summary :

This code were stamped on VW Engine case fuel tank pressure (ftp) sensor (g400), short to ground causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor bank 1 sensor 1, circuit range / performance or nox sensor heater sense bank 1, circuit will delay your vw fault.

07678 Possible Causes:

07678 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Crankshaft Position Sensor B Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 07678 Code

  • Inspect all the connections fuel rail sensor (g401), short to ground
  • 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

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