OBD Guide

P349E

Cylinder 7 Deactivation/Intake Valve Performance

P349E is an OBD-II diagnostic trouble code meaning: Cylinder 7 Deactivation/Intake Valve Performance. Common causes: malfunction of the solenoid valve of the cylinder deactivation system, mechanical problem with cylinder 7 intake valve. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Rattling sound from the engine

Causes

  • Malfunction of the solenoid valve of the cylinder deactivation system
  • Mechanical problem with cylinder 7 intake valve
  • Open or short circuit in control circuit
  • Problems with the engine control unit
  • Low oil level or incorrect oil used

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose the solenoid valve control circuit
  3. Check the functionality of the cylinder deactivation solenoid valve
  4. Carry out a mechanical check of the intake valve of cylinder 7
  5. If necessary, replace faulty components

Related codes

Error P349E by Vehicle Brand

FAQ

What does the P349E code mean?

P349E is an OBD-II diagnostic trouble code that indicates: Cylinder 7 Deactivation/Intake Valve Performance

What causes a P349E error code?

The most common causes of P349E include: Malfunction of the solenoid valve of the cylinder deactivation system; Mechanical problem with cylinder 7 intake valve; Open or short circuit in control circuit; Problems with the engine control unit.

How do I fix a P349E diagnostic trouble code?

To fix P349E: Check the level and condition of the engine oil. Diagnose the solenoid valve control circuit. Check the functionality of the cylinder deactivation solenoid valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P349E?

Yes, but get it checked soon

How much does it cost to fix P349E?

The estimated repair cost for P349E is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat