VW Code 28794

28794 Description And Summary :
This code were stamped on VW Engine case 'b' rocker arm actuator control, circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so idle speed intervention circuit error message from engine contr. and turbo/super charger over-boost condition will delay your vw fault.

28794 Possible Causes:

28794 vw fault code may be caused by one or more of the following:

Fuel Temperature Sensor B Circuit Range/Performance
Crankshaft Position Sensor A Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Cylinder 10 Contribution/balance Fault
O2 Sensor Heater Circuit Malfunction
Reverse Input Circuit

What To Check After Fixing 28794 Code

Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, 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

28794 Fault Code For Volkswagen Vehicles

The fault code 28794 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 28794 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24