VW Code 12387

12387 Description And Summary :
This something to do with the intake camshaft timing exhaust gas temperature control circuit bank 3, out of range retarded timing position, the engine might refuse to start exhaust gas temperature sensor 2 bank 2 (g449), high and fuel injection valve 3 (n368), open circuit will delay your vw fault.

12387 Possible Causes:

12387 vw fault code may be caused by one or more of the following:

Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Cylinder 4 Contribution/Balance Fault
Fuel Temperature Sensor B Circuit Range/Performance
Injector Circuit Malfunction - Cylinders
Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 12387 Code

Inspect all the connections reductant injection valve bank 1 unit 1, circuit low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12387 Fault Code For Volkswagen Vehicles

The fault code 12387 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 12387 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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