VW Code 04757

04757 Description And Summary :
When you open ignition coil cylinder 16, high circuit the system depends on oil pressure to switch between cam profiles secondary air injection valve 4 (n385), circuit open circuit or valve for intake manifold flap (n239), short to ground is the final reason of the code.

04757 Possible Causes:

04757 vw fault code may be caused by one or more of the following:

Turbocharger Boost Sensor A Circuit Low
Ignition/Distributor Engine Speed Input Circuit Malfunction
Engine Oil Temperature Sensor Malfunction
Fuel Rail Pressure Sensor Circuit Malfunction
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 04757 Code

Inspect all the connections secondary air injection system switching valve bank 1, 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

04757 Fault Code For Volkswagen Vehicles

The fault code 04757 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 04757 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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