Audi P12A4: Fuel Rail Pump Control Valve Stuck Closed
Is your scanner showing Audi P12A4?
No worries. We'll show you what it means and how to deal with it.
Audi P12A4: Fuel Rail Pump Control Valve Stuck Closed
OVERVIEWWhat Does The Audi P12A4 Code Mean?
engine speed > 600 RPM evap purge adaptation < 22.00 lambda control closed loop fuel cut off not active
What Are The Potential Causes Of The Audi P12A4 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:
>>> Bosch Automotive 0261545059 Original Equipment Fuel Pressure Sensor
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
- Audi, 2013, A3 Quick Reference Specification Book, page 140 & 160.
- Audi, 2014, A7 Quick Reference Specification Book, page 205 & 238.
- Audi, 2014, A6/S6 Quick Reference Specification Book, page 253, 277 & 279.
- Audi, 2014, Q5/SQ5 Quick Reference Specification Book, page 199, 228 & 182.
- Audi, 2014, Q7 Quick Reference Specification Book, page 190.
- Audi, 2014, TT Quick Reference Specification Book, page 137 & 159.
- Audi, 2014, A5/S5 Quick Reference Specification Book, page 231, 260 & 290.
- Audi, 2014, A4/S4 Quick Reference Specification Book, page 193 & 221.
- Audi, 2014, R8/Spyder Quick Reference Specification Book, page 156 & 182.
- Audi, 2014, A8/A8L/S8 Quick Reference Specification Book, page 234, 275 & 325.
