AutoCodes – Ford – P219B Ford

P219B Ford Code - Bank 2 Air/Fuel Ratio Imbalance

Quick Answer

The air fuel imbalance monitor is designed to detect differences in the air fuel ratio between cylinders per engine bank. Common causes include Leaking or contaminated fuel injectors, Low fuel pressure or running out of fuel, Leaking evaporative emission (EVAP) canister purge valve. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P219B Ford indicates Bank 2 Air/Fuel Ratio Imbalance.
Common causes: Common causes include Leaking or contaminated fuel injectors, Low fuel pressure or running out of fuel, Leaking evaporative emission (EVAP) canister purge valve.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 25,050

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P219B Ford Description

The air fuel imbalance monitor is designed to detect differences in the air fuel ratio between cylinders per engine bank. The test fails if the air fuel ratio difference per cylinder is greater than a calculated amount.

OBDII Code P219B Ford - Bank 2 Air/Fuel Ratio Imbalance - AutoCodes.com — P219B Ford Code - Bank 2 Air/Fuel Ratio Imbalance

What does this mean?

What are the Possible Causes of the DTC P219B Ford?

Leaking or contaminated fuel injectors
Low fuel pressure or running out of fuel
Leaking evaporative emission (EVAP) canister purge valve
Exhaust or intake air system leaks
Exhaust gas recirculation (EGR) system
Positive crankcase ventilation (PCV) system is leaking or the valve is stuck open
Ignition system
Incorrectly seated engine oil dipstick, tube or oil fill cap

How to Fix the DTC P219B Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P219B Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P219B Ford code?

Need more information on how to fix the P219B Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P219B Ford code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P219B Ford Code

1. What are the common symptoms of OBDII code P219B in a Ford vehicle?

- Common symptoms include a check engine light, rough idling, poor fuel efficiency, and potential stalling or hesitation during acceleration.

2. What does the OBDII code P219B Ford indicate?

- This code indicates a bank 2 air/fuel ratio imbalance in the engine, meaning that there is an issue with the mixture of air and fuel in that particular bank.

3. What are the possible causes of the P219B code in a Ford vehicle?

- Possible causes include a faulty oxygen sensor, vacuum leaks, fuel delivery issues, intake manifold leaks, or problems with the fuel injectors.

4. How can I diagnose the P219B code in my Ford vehicle?

- Diagnosing the code typically involves using an OBDII scanner to retrieve the code, checking for any associated codes, inspecting the oxygen sensor, and conducting a visual inspection for leaks.

5. Can I continue driving my Ford vehicle with the P219B code present?

- It is not recommended to continue driving with the P219B code present, as it can lead to potential engine damage and decreased performance over time.

6. How can I repair the P219B code in my Ford vehicle?

- Repairing the code may involve replacing the oxygen sensor, fixing any vacuum or intake leaks, cleaning or replacing the fuel injectors, or addressing any other underlying issues causing the imbalance.

7. Will resetting the check engine light make the P219B code go away?

- Resetting the check engine light may temporarily clear the code, but it is important to address the underlying issue causing the code to prevent it from reoccurring.

8. How much does it typically cost to repair the P219B code in a Ford vehicle?

- The cost of repairing the P219B code can vary depending on the specific cause and the labor rates of the repair shop, but it may range from a few hundred to a few thousand dollars.

9. Are there any preventative maintenance tips to avoid the P219B code in a Ford vehicle?

- Regularly servicing your vehicle, including changing the oxygen sensors as recommended, checking for and addressing any leaks promptly, and using high-quality fuel can help prevent the occurrence of the P219B code.

10. Can I repair the P219B code in my Ford vehicle myself, or should I seek professional help?

- While some DIY enthusiasts may be able to address simple causes like loose hoses or connectors, diagnosing and repairing the P219B code often requires specialized tools and expertise, so it is generally recommended to seek professional help for accurate diagnosis and repair.