DTC P21D2 - Cylinder 4 Injector B Circuit/Open
WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 2019 Lincoln Navigator, 2019 Lincoln Nautilus, 2019 Lincoln MKZ, 2019 Lincoln MKT, and 2019 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P21D2 - CYLINDER 4 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:
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| Diagnostic Aids: The INJ4_F PID flags equals YES. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST KG . | ||