OBD Guide

P219E

Cylinder 3 Air-Fuel Ratio Imbalance

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$9–39 (est.)

Symptoms

  • Unstable engine idling
  • Power Loss
  • Increased fuel consumption
  • Dips during acceleration
  • Check Engine light comes on

Causes

  • Malfunction of the fuel injector of cylinder 3
  • Problems with the ignition system (plugs, coil)
  • Vacuum leak in the area of cylinder 3
  • Low cylinder compression
  • Dirty or faulty oxygen sensor

How to Fix

  1. Check the condition of the spark plug and coil of cylinder 3
  2. Test the fuel injector of cylinder 3
  3. Check compression in cylinder
  4. Inspect for vacuum leaks
  5. Check the operation of oxygen sensors

Related codes

Error P219E by Vehicle Brand