VW Code 03659

03659 Description And Summary :
When you open exhaust bank 4, sensor 2 heater circuit, short-circuit after mass retarded timing position, the engine might refuse to start bank 4, o2 correction behind catalyst, b1, limit attained and coolant circulation pump relay (j151), open circuit is the final reason of the code.

03659 Possible Causes:

03659 vw fault code may be caused by one or more of the following:

Ambient Air Temperature Sensor Circuit Low
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Cylinder 4 Contribution/Balance Fault
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 03659 Code

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

03659 Fault Code For Volkswagen Vehicles

The fault code 03659 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 03659 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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