OBD Guide

P2898

Cylinder 3 Ion Current Sense Circuit

P2898 is an OBD-II diagnostic trouble code meaning: Cylinder 3 Ion Current Sense Circuit. Common causes: open or short circuit in the ion current circuit, faulty spark plug. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Possible misfire in cylinder 3

Causes

  • Open or short circuit in the ion current circuit
  • Faulty spark plug
  • Wiring harness damage
  • Ignition coil malfunction
  • Problems with the engine control unit

How to Fix

  1. Check the condition of the spark plug in the 3rd cylinder
  2. Inspect the wiring harness for damage
  3. Check the resistance of the ion current circuit
  4. Test the ignition coil
  5. If necessary, replace faulty components

Related codes

Error P2898 by Vehicle Brand

FAQ

What does the P2898 code mean?

P2898 is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Ion Current Sense Circuit

What causes a P2898 error code?

The most common causes of P2898 include: Open or short circuit in the ion current circuit; Faulty spark plug; Wiring harness damage; Ignition coil malfunction.

How do I fix a P2898 diagnostic trouble code?

To fix P2898: Check the condition of the spark plug in the 3rd cylinder. Inspect the wiring harness for damage. Check the resistance of the ion current circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2898?

Yes, but get it checked soon

How much does it cost to fix P2898?

The estimated repair cost for P2898 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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