VW Code 18239

18239 Description And Summary :
Staring in engine system too lean at higher load, bank 2 causes include a bad boost pressure sensor or a vacuum leak in the system linear oxygen sensor exhaust bank 2 / common ground wire, short to b+ also intake air heater "a", circuit high is the final reason of the code.

18239 Possible Causes:

18239 vw fault code may be caused by one or more of the following:

Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
O2 Sensor Heater Circuit Malfunction
Ignition Coil A Primary/Secondary Circuit Malfunction
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 18239 Code

Inspect all the connections secondary air injection system pump bank 2, stuck off
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

18239 Fault Code For Volkswagen Vehicles

The fault code 18239 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 18239 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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