CYLINDER GP-LIFT 3G2991 - Caterpillar

The Engine Control Module (ECM) detects one of the following items after attempting to operate the injector:
A low current condition (open circuit) exists in the wiring for the cylinder injector solenoid.
A high current condition (short circuit) exists in the injector solenoid.System Response:The ECM will log the diagnostic code and the ECM will trigger a snapshot. The check engine lamp will illuminate while this diagnostic code is active. The automatic "Cylinder Cutout Test" will not work when there is an active diagnostic code.Possible Performance Effect:The injector may not operate while the diagnostic codes are active. The following conditions may exist:
Engine misfires
Low powerTroubleshooting:Test Step 1. Perform the following diagnostic procedure: "Injector Solenoid Circuit - Test"Results:
OK - STOP