OBD Guide

P3498

Cylinder 1 Deactivation/Intake Valve Performance

P3498 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Deactivation/Intake Valve Performance. Common causes: cylinder deactivation solenoid malfunction, problems with the intake valve mechanism. 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 idling
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Dips during acceleration

Causes

  • Cylinder deactivation solenoid malfunction
  • Problems with the intake valve mechanism
  • Open or short circuit in control circuit
  • Engine control unit malfunction
  • Contamination or wear of deactivation system components

How to Fix

  1. Check the condition of the cylinder deactivation solenoid
  2. Inspect the intake valve mechanism for damage
  3. Check the integrity of the wiring harness and connections
  4. Scan the engine control module for additional errors
  5. If necessary, replace faulty components

Related codes

Error P3498 by Vehicle Brand

FAQ

What does the P3498 code mean?

P3498 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Deactivation/Intake Valve Performance

What causes a P3498 error code?

The most common causes of P3498 include: Cylinder deactivation solenoid malfunction; Problems with the intake valve mechanism; Open or short circuit in control circuit; Engine control unit malfunction.

How do I fix a P3498 diagnostic trouble code?

To fix P3498: Check the condition of the cylinder deactivation solenoid. Inspect the intake valve mechanism for damage. Check the integrity of the wiring harness and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3498?

Yes, but get it checked soon

How much does it cost to fix P3498?

The estimated repair cost for P3498 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat