Audi P129B: Fuel Pressure Regulator 2 Control Circuit
Is your scanner showing Audi P129B?
No worries. We'll show you what it means and how to deal with it.
Audi P129B: Fuel Pressure Regulator 2 Control Circuit
OVERVIEWWhat Are The Potential Causes Of The Audi P129B Code?
- Check for signal, voltage and ground
- Check harness for open or short
- Check connector for damage
- Fuel pressure sensor
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Bosch Automotive 0261545059 Original Equipment Fuel Pressure Sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
- Audi, 2014, A5/S5 Quick Reference Specification Book, page 291.
- Audi, 2014, A8/A8L Quick Reference Specification Book, page 276 & 326
- Audi, 2014, A7 Quick Reference Specification Book, page 239.
- Audi, 2014, R8/Spyder Quick Reference Specification Book, page 157 & 182.
- Audi, 2014, A6/S6 Quick Reference Specification Book, page 311
- Audi, 2013, A4/S4 Quick Reference Specification Book, page 239.
