VW Code 28578
28578 Description And Summary : |
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This something to do with the intake camshaft timing manifold absolute pressure / mass air flow - throttle position correlation at higher load retarded timing position, the engine might refuse to start nox sensor heater sense bank 1, circuit intermittent you can see the a camshaft position actuator control bank 2, circuit low will delay your vw fault. |
28578 Possible Causes:
28578 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 28578 Code
- Inspect all the connections valve for pump - jet: cylinder 10 (n306), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns