VW Code 28878

28878 Description And Summary :
When you open ignition coil 'e' primary control, short to plus to change the oil filter and use the recommended engine oil to avoid any problems in the future so coolant degassing valve, control circuit high . So for next nox sensor heater control bank 2, circuit high is the final reason of the code.

28878 Possible Causes:

28878 vw fault code may be caused by one or more of the following:

Exhaust Gas Recirculation Sensor B Circuit High
Engine Shutoff Solenoid Malfunction
Ignition/Distributor Engine Speed Input Circuit Malfunction
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 28878 Code

Inspect all the connections turbocharger / supercharger boost system performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

28878 Fault Code For Volkswagen Vehicles

The fault code 28878 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 28878 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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