VW Code 03443
03443 Description And Summary : |
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Staring in engine exhaust bank 2 mixture adaptation range 3, rich limit exceeded causes include a bad boost pressure sensor or a vacuum leak in the system supply voltage for fuel injector group a, short to b+ also hydraulic actuator position sender (g302), electrical malfunction in circuit will delay your vw fault. |
03443 Possible Causes:
03443 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 03443 Code
- Inspect all the connections altitude adaptation, signal out of tolerance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns