DTC P12A4 Audi
Fuel Rail Pump Control Valve Stuck Closed
Fuel Rail Pump Control Valve Stuck Closed
Description
engine speed > 600 RPM evap purge adaptation < 22.00 lambda control closed loop fuel cut off not active
Cause and Solution
Check for signal, voltage and ground
Check harness for open or short
Check connector for damage.
Video Guide
Diagnostic Info
- DTC Code: P12A4
- Brand: Audi