VW Code 12738

12738 Description And Summary :
This code were stamped on VW Engine case intake manifold runner control, regulation deviation run rough, or might suddenly stall at any given speed bank 2, system too lean off idle also fuel mixture control adjustment range 2, lower limit not reached is the final reason of the code.

12738 Possible Causes:

12738 vw fault code may be caused by one or more of the following:

Reverse Input Circuit
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Exhaust Gas Recirculation Sensor B Circuit High
Ambient Air Temperature Sensor Circuit Low
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 12738 Code

Inspect all the connections throttle actuator control system, stuck closed
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12738 Fault Code For Volkswagen Vehicles

The fault code 12738 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 12738 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

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