P016B - Closed Loop Air/Fuel Ratio Control At Limit - System Too Rich
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.
P016B - CLOSED LOOP AIR/FUEL RATIO CONTROL AT LIMIT - SYSTEM TOO RICH
| 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 rich. | |||
Possible Causes:
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| 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 . | ||