P3437

  • Powertrain
  • Manufacturer-specific
  • Emissions
SeveritySeverity level 3 of 5: Diagnose soon.

Diagnose soon

Usually safe to drive short distances, but the fault will not clear itself and can worsen or fail an emissions test.

Standard definition

Cylinder 5 Exhaust Valve Control Performance

This code is in our catalogue but has not yet been through editorial review, so the guidance below is limited to what our structured data supports. We publish deeper diagnostic content only after a code has been reviewed — here is why.

In plain English

The engine control module has detected a performance fault on the cylinder 5 exhaust valve deactivation system — the actuator response does not match the commanded state.

A trouble code records what a control module measured. It does not identify which part failed. Test before replacing anything.

Can I keep driving?
Safe to drive
Usually safe to drive short distances, but the fault will not clear itself and can worsen or fail an emissions test.
Urgency
Diagnose soon
Will it pass emissions
No
Check engine light
Solid
Clearing the light
A completed drive cycle is normally required before the monitor re-runs and the light can clear.
Likely causes
#CauseHow oftenComponent
1Lifter stuck collapsedVery common
2Engine oil pressure too lowCommon

Ordering reflects how often each cause is responsible in general, not a probability for your vehicle. Confirm by testing.

Components involved
  • Cylinder Deactivation Solenoid
  • Lifter
  • Oil Control Valve
Sources
Definition
Generic code set (SAE J2012 / ISO 15031-6) via the OBDexopen database, dedicated to the public domain under CC0-1.0.
Diagnostic guidance
Written and reviewed in-house. See our editorial policy.
Review status
Awaiting review

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