OBD Guide

P219D

Cylinder 2 Air-Fuel Ratio Imbalance

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–167 (est.)

Symptoms

  • Loss of engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Smell of gasoline from the exhaust pipe
  • Check Engine Light Illuminates

Causes

  • Cylinder 2 fuel injector dirty or faulty
  • Air leak in the intake tract of cylinder 2
  • Burnt valve or worn piston rings
  • Malfunction of the oxygen sensor or lambda probe
  • Problems with the ignition system in cylinder 2

How to Fix

  1. Check the condition of the fuel injector of cylinder 2
  2. Carry out compression diagnostics in the cylinder
  3. Check the intake manifold for leaks
  4. Diagnose oxygen sensors
  5. Check spark plugs and coil of cylinder 2

Related codes

Error P219D by Vehicle Brand