Audi P12A2: Fuel Rail Pressure Sensor Inappropriately High

What Does The Audi P12A2 Code Mean?

This code is set in this condition:

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 P12A2 Code?

• Check for signal, voltage and ground
• Check harness for open or short
• Check connector for damage.

How Can You Fix The Audi P12A2 Code?

Check possible solutions below:

• Check for signal, voltage and ground
• Check harness for open or short
• Check connector for damage

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.