P1417 JEEP - Cylinder 7 Reactivation Control Performance
- Low oil pressure or blocked oil passage
- Faulty MDS Solenoid
- MDS Solenoid harness is open or shorted
- MDS Solenoid circuit poor electrical connection
- Faulty Engine Control Module (ECM)
When is the code detected?The Engine Control Module (ECM) transistioned between 8 and 4 cylinder function - Cylinder 1 failed to reactivate
- Engine Light ON (or Service Engine Soon Warning Light)
P1417 Jeep DescriptionWhen all criteria have been met, power is supplied to each MDS Solenoid when the engine is making a transition from 8 cylinder mode to 4 cylinder mode. By actuating the solenoid, oil pressure is raised to the pair of lifters that coincide with each particular solenoid. The oil pressure pushes in the locking pins that allows the lifter to collapse, decoupling the valves and camshaft.
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