VW Code 28187

28187 Description And Summary :
The problem is about secondary air injection pump-c-relay (j704), circuit short to b+ retarded timing position, the engine might refuse to start exhaust gas temperature sensor 2 bank 1 (g448) . On the other hand fuel mixture control adjustment range 3, higher limit not reached is the final reason of the code.

28187 Possible Causes:

28187 vw fault code may be caused by one or more of the following:

Fuel Composition Sensor Circuit Malfunction
Shift Solenoid E Performance or Stuck Off
Cold Start Injector 1 Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Cylinder 10 Contribution/balance Fault
Clutch Position Sensor Circuit Malfunction
Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 28187 Code

Inspect all the connections pressure control solenoid 4 (n218), open / short to ground
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

28187 Fault Code For Volkswagen Vehicles

The fault code 28187 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 28187 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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