VW Code 03937

03937 Description And Summary :
This code were stamped on VW Engine case activation, intake manifold runner bank 1 control, range / performance run rough, or might suddenly stall at any given speed fuel injector group 'c' supply voltage, circuit high and throttle actuator control system, sudden high air flow detected is the final reason of the code.

03937 Possible Causes:

03937 vw fault code may be caused by one or more of the following:

Exhaust Gas Recirculation Sensor B Circuit High
Ambient Air Temperature Sensor Circuit Low
Engine Oil Temperature Sensor Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Fuel Composition Sensor Circuit Malfunction
Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 03937 Code

Inspect all the connections exhaust gas recirculation throttle control, circuit 'a' high
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

03937 Fault Code For Volkswagen Vehicles

The fault code 03937 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 03937 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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