OBD Guide

P219A

Bank 1 Air-Fuel Ratio Imbalance

P219A is an OBD-II diagnostic trouble code meaning: Bank 1 Air-Fuel Ratio Imbalance. Common causes: air leak in intake manifold, dirty or faulty fuel injectors. 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
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Dips during acceleration

Causes

  • Air leak in intake manifold
  • Dirty or faulty fuel injectors
  • Oxygen sensor malfunction
  • Problems with the MAF (mass air flow sensor)
  • Leaking intake system

How to Fix

  1. Check the tightness of the intake tract
  2. Clean or replace fuel injectors
  3. Check the operation of the oxygen sensors and mass air flow sensor
  4. Scan the system for other errors
  5. Adapt the engine control system

Related codes

Error P219A by Vehicle Brand

FAQ

What does the P219A code mean?

P219A is an OBD-II diagnostic trouble code that indicates: Bank 1 Air-Fuel Ratio Imbalance

What causes a P219A error code?

The most common causes of P219A include: Air leak in intake manifold; Dirty or faulty fuel injectors; Oxygen sensor malfunction; Problems with the MAF (mass air flow sensor).

How do I fix a P219A diagnostic trouble code?

To fix P219A: Check the tightness of the intake tract. Clean or replace fuel injectors. Check the operation of the oxygen sensors and mass air flow sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P219A?

Yes, but get it checked soon

How much does it cost to fix P219A?

The estimated repair cost for P219A is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat