VW Code 29399
29399 Description And Summary : |
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Diagnosing engine bar with data bus powertrain, implausible message from immobilizer run rough, or might suddenly stall at any given speed valve for exhaust flap 1 (n321), electrical malfunction and vehicle speed sensor 'a' / 'b', correlation will delay your vw fault. |
29399 Possible Causes:
29399 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 29399 Code
- Inspect all the connections o2 sensor signals swapped bank 1 sensor 2 / bank 1 sensor 3
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns