OBD-II code · Powertrain (manufacturer / generic)
P3418 Cylinder 3 Deactivation/Intake Valve Control Performance
The engine control module has detected a performance fault on the cylinder 3 deactivation or intake valve control system — the response of the actuator does not match the commanded state.
Is it safe to drive with P3418?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyLifter stuck collapsed
- PossibleEngine oil pressure too low
- PossibleOil passage blocked or contaminated
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–8 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Cylinder Deactivation Solenoid, Lifter, Oil Control Valve
Related codes
- P3426Cylinder 4 Deactivation/Intake Valve Control Performance
- P3415Cylinder 2 Exhaust Valve Control Circuit Low
- P3416Cylinder 2 Exhaust Valve Control Circuit High
- P3417Cylinder 3 Deactivation/Intake Valve Control Circuit/Open
- P3419Cylinder 3 Deactivation/Intake Valve Control Circuit Low
- P341ADeactivation/Intake Valve Control Circuit Performance Bank 1
- P341BDeactivation/Intake Valve Control Circuit Performance Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.