VW Code 02138

02138 Description And Summary :
Staring in engine injector control pressure, too low - engine cranking the system depends on oil pressure to switch between cam profiles secondary air injection valve 3 (n384), circuit short to b+ and oxygen (lambda) sensor b1 s3, signal shorted to heater circuit will delay your vw fault.

02138 Possible Causes:

02138 vw fault code may be caused by one or more of the following:

Engine Shutoff Solenoid Malfunction
Cylinder 1 Injector Circuit Low
Turbocharger Boost Sensor A Circuit Low
Exhaust Gas Recirculation Sensor B Circuit High
Cylinder 4 Contribution/Balance Fault
Ignition/Distributor Engine Speed Input Circuit Malfunction
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 02138 Code

Inspect all the connections torque management feedback signal "b", high
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

02138 Fault Code For Volkswagen Vehicles

The fault code 02138 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 02138 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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