AutoCodes – Nissan – P219B Nissan

P219B Nissan Code - Cylinder A/F Imbalance Monitoring Bank 2

Quick Answer

The Engine Control Module (ECM) monitors the lean/rich air fuel ratio state in any cylinder. Common causes include Fuel injector, Exhaust gas leaks, Incorrect fuel pressure. 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 Nissan indicates Cylinder A/F Imbalance Monitoring Bank 2.
Common causes: Common causes include Fuel injector, Exhaust gas leaks, Incorrect fuel pressure.
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.

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Code Popularity 12,074

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 Jul 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P219B Nissan Description

The Engine Control Module (ECM) monitors the lean/rich air fuel ratio state in any cylinder. The ECM sets the OBDII code when detects a lean/rich air fuel ratio state in any cylinder for a specified length of time.

OBDII Code P219B Nissan - Cylinder A/F Imbalance Monitoring Bank 2 - AutoCodes.com — P219B Nissan Code - Cylinder A/F Imbalance Monitoring Bank 2

What does this mean?

What are the Possible Causes of the DTC P219B Nissan?

Fuel injector
Exhaust gas leaks
Incorrect fuel pressure
Mass air flow sensor
Intake air leaks
Lack of fuel
Incorrect PCV hose connection
Improper spark plug
Insufficient compression
The fuel injector circuit is open or shorted
Ignition coil
The ignition signal circuit is open or shorted

How to Fix the DTC P219B Nissan?

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 Nissan 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 Nissan code?

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

Need Help with the Code?

Get the P219B Nissan 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 Nissan Code

1. What are common symptoms of OBDII code P219B in a Nissan related to Cylinder A/F Imbalance Monitoring Bank 2?

- Common symptoms include poor engine performance, rough idling, reduced fuel efficiency, and possibly stalling.

2. What are some possible causes of OBDII code P219B in a Nissan indicating Cylinder A/F Imbalance Monitoring Bank 2?

- Potential causes include a faulty oxygen sensor, vacuum leaks, a malfunctioning fuel injector, or issues with the fuel pressure regulator.

3. How can I diagnose OBDII code P219B in my Nissan for Cylinder A/F Imbalance Monitoring Bank 2?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, followed by a thorough inspection of the oxygen sensors, fuel injectors, vacuum lines, and intake system.

4. What are some recommended repair tips for addressing OBDII code P219B in a Nissan related to Cylinder A/F Imbalance Monitoring Bank 2?

- Repair tips may include replacing the faulty oxygen sensor, repairing any vacuum leaks, cleaning or replacing fuel injectors, and ensuring proper fuel pressure.

5. Is it safe to continue driving my Nissan with OBDII code P219B indicating Cylinder A/F Imbalance Monitoring Bank 2?

- It is not recommended to drive your vehicle with this code active, as it can lead to further engine damage and potential safety hazards.

6. Can a DIY enthusiast fix OBDII code P219B in a Nissan for Cylinder A/F Imbalance Monitoring Bank 2?

- While some simple repairs like replacing an oxygen sensor can be done by a DIY enthusiast, more complex issues may require professional diagnosis and repair.

7. How much does it typically cost to repair OBDII code P219B in a Nissan related to Cylinder A/F Imbalance Monitoring Bank 2?

- The cost of repairs can vary depending on the specific issue, but it may range from a few hundred to a couple thousand dollars, including parts and labor.

8. Will resetting the OBDII code P219B in my Nissan clear the issue related to Cylinder A/F Imbalance Monitoring Bank 2?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the imbalance in cylinder air/fuel mixture.

9. Are there any preventive measures to avoid encountering OBDII code P219B in a Nissan related to Cylinder A/F Imbalance Monitoring Bank 2?

- Regular maintenance, such as timely replacement of oxygen sensors and fuel system checks, can help prevent issues leading to this error code.

10. How long does it typically take to repair OBDII code P219B in a Nissan for Cylinder A/F Imbalance Monitoring Bank 2?

- The repair time can vary depending on the specific cause of the issue, but it may take anywhere from a few hours to a full day for diagnostics and repairs to be completed.