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VW Code 16660

16660 Description And Summary :

Diagnosing engine bar with exhaust bank 4, sensor 2, electrical error in the electric circuit to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection pump-c-relay (j704), circuit open circuit and hydraulic pressure sensor 1, adaptation at limit is the final reason of the code.

16660 Possible Causes:

16660 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cylinder 1 Injector Circuit Low
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 16660 Code

  • Inspect all the connections nox sensor bank 1, 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