DTC P21CF - Cylinder 1 Injector B Circuit/Open
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 2020 Lincoln Navigator, 2020 Lincoln Nautilus, 2020 Lincoln MKZ, 2020 Lincoln Corsair, and 2020 Lincoln Continental. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P21CF - CYLINDER 1 INJECTOR B CIRCUIT/OPEN
| Description: | The comprehensive component monitor (CCM) monitors the operation of the fuel injector drivers in the PCM. This DTC sets when the fuel injector circuitry is inoperative. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | The INJ1_F PID flags equals YES. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST KG . | ||