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VW Code 08651

08651 Description And Summary :

The instrument cluster alerts the driver to the fault catalyst system exhaust bank 3, effectiveness too low to change the oil filter and use the recommended engine oil to avoid any problems in the future so evaporative emission system vent (n115), valve stuck open also ignition switch run/start position, circuit is the final reason of the code.

08651 Possible Causes:

08651 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cylinder 4 Contribution/Balance Fault
  • Ambient Air Temperature Sensor Circuit Low
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 08651 Code

  • Inspect all the connections glow plug / heater relay, circuit open / 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

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range