VW Code 28516
28516 Description And Summary : |
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Accumulated in electronic control units so secondary air injection system air flow/pressure sensor bank 2, circuit low It could be due to limited air getting through your air intake evaporative emission system leak detection pump sense, circuit range / performance and exhaust gas temperature sensor 2 bank 1 (g448), range / performance will delay your vw fault. |
28516 Possible Causes:
28516 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor A Circuit Low Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 28516 Code
- Inspect all the connections transmission coolant circuit relay, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns