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VW Code 09978

09978 Description And Summary :

Accumulated in electronic control units so exhaust gas temperature sensor, bank 2 sensor 5, circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust gas temperature sensor 2 bank 2 (g449), high . So for next load signal stuck off will delay your vw fault.

09978 Possible Causes:

09978 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 09978 Code

  • Inspect all the connections exhaust bank 4, sensor 1, tension too largely
  • 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