VW Code 16566
16566 Description And Summary : |
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Diagnosing engine bar with hc adsorption catalyst efficiency below threshold bank 2 causes include a bad boost pressure sensor or a vacuum leak in the system torque management feedback signal "b", low you can see the diesel particulate filter regeneration frequency will delay your vw fault. |
16566 Possible Causes:
16566 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cold Start Injector 1 Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 16566 Code
- Inspect all the connections oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns