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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P016C - Closed Loop Air/Fuel Ratio Control At Limit - System Too Lean

P016C - Closed Loop Air/Fuel Ratio Control At Limit - System Too Lean

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P016C - CLOSED LOOP AIR/FUEL RATIO CONTROL AT LIMIT - SYSTEM TOO LEAN

Description:  This DTC is set when the powertrain control module detects the fuel ratio control is at its limit indicating the fuel system is too lean.
Possible Causes: 
  • Damaged fuel pressure control valve
  • Damaged fuel volume control valve
  • Damaged high pressure fuel injection pump
Diagnostic Aids:  The fuel pressure in the high pressure fuel system can be monitored by accessing the FRP_A PID on the scan tool.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST M .