VW Code 09421

09421 Description And Summary :
The instrument cluster alerts the driver to the fault throttle/pedal position sensor 'e', maximum stop performance run rough, or might suddenly stall at any given speed intake flap motor 2 (v275), no signal or engine coolant level low will delay your vw fault.

09421 Possible Causes:

09421 vw fault code may be caused by one or more of the following:

Fuel Rail/System Pressure - Too High
Fuel Temperature Sensor B Circuit Range/Performance
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
O2 Sensor Heater Circuit Malfunction
Fuel Composition Sensor Circuit Malfunction
Crankshaft Position Sensor A Circuit Low Input
Ignition/Distributor Engine Speed Input Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 09421 Code

Inspect all the connections ignition coil 'b' secondary circuit, malfunction
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

09421 Fault Code For Volkswagen Vehicles

The fault code 09421 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 09421 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24