P2DEDCylinder 4 Intake Valve Lift Range/Performance
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- P2DED is the cylinder 4 member of the per-cylinder lift checks: the engine computer finds this cylinder's lift off target or slow to follow. On four-cylinder engines with hydraulic lift control the oil comes first. FCA's tech tip for the 2.4 L Tigershark MultiAir asks the technician to exclude a low oil level, a filter or viscosity outside spec, old or diluted oil and a clogged screen in the oil gallery on top of the block, which feeds the MultiAir unit, before any actuator is replaced. FCA itself stores MultiAir faults under its own P1xxx numbers; P2DED is not documented publicly by any maker. Since MultiAir throttles the intake through the valves, a sticking cylinder 4 shows up as uneven idle, misfire or weaker pull. CARB counts such lift errors as emission faults.
- What you may notice
- Check engine light on
- Misfire on cylinder 4, rough idle
- Hesitation when accelerating
- Likely causes
- LikelyLow, aged, diluted or wrong-viscosity oil
- PossibleClogged oil screen in the gallery feeding the lift unit
- PossibleOil filter not meeting the maker's specification
- RareWorn cylinder 4 section of the lift actuator
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Hard · Usually a job for a workshop.Typical cost: €100 – €2,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.