VW Code 16377
16377 Description And Summary : |
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The instrument cluster alerts the driver to the fault oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded It could be due to limited air getting through your air intake o2 sensor out of range during deceleration bank 2 sensor 1 you can see the relay for exhaust cooling agent (n313), short to ground will delay your vw fault. |
16377 Possible Causes:
16377 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
- Cylinder 10 Contribution/balance Fault
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 16377 Code
- Inspect all the connections engine coolant temperature sensor 2 (g83), circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns