AutoCodes – Chevrolet – P219B 2016 Chevrolet Silverado

P219B 2016 Chevrolet Silverado Code - Fuel Trim Cylinder Balance Bank 2

Quick Answer

The Fuel Trim Cylinder Balance diagnostic detects a rich or lean cylinder to cylinder air/fuel ratio imbalance in each bank. Common causes include Leaking or contaminated fuel injectors, Low fuel pressure or running out of fuel, Exhaust or intake air system leaks. 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 2016 Chevrolet Silverado indicates Fuel Trim Cylinder Balance Bank 2.
Common causes
Common causes include Leaking or contaminated fuel injectors, Low fuel pressure or running out of fuel, Exhaust or intake air system leaks.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 608
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 20, 2022
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Code P219B 2016 Chevrolet Silverado Description

The Fuel Trim Cylinder Balance diagnostic detects a rich or lean cylinder to cylinder air/fuel ratio imbalance in each bank. The diagnostic monitors the pre-catalyst heated oxygen sensor (HO2S) signal's frequency and amplitude characteristics by calculating an accumulated voltage over a predetermined sample period. An imbalance is indicated when multiple samples of the accumulated voltage are consistently higher than the desired value.
The Diagnostic Trouble Code (DTC) will be set when multiple samples of the pre-catalyst HO2S accumulated voltage are consistently greater than the desired value.
OBDII Code P219B 2016 Chevrolet Silverado - Fuel Trim Cylinder Balance Bank 2 - AutoCodes.com
P219B 2016 Chevrolet Silverado Code - Fuel Trim Cylinder Balance Bank 2

What are the Possible Causes of the DTC P219B 2016 Chevrolet Silverado?

  • Leaking or contaminated fuel injectors
  • Low fuel pressure or running out of fuel
  • Exhaust or intake air system leaks
  • Faulty 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 2016 Chevrolet Silverado?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P219B 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado code?

Need more information on how to fix the P219B 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 2016 Chevrolet Silverado Code

1. What does OBDII code P219B on a 2016 Chevrolet Silverado indicate?

The code P219B in a 2016 Chevrolet Silverado refers to "Fuel Trim Cylinder Balance Bank 2."

2. What are the common symptoms of OBDII code P219B in a 2016 Chevrolet Silverado?

Common symptoms of code P219B may include rough idling, decreased fuel efficiency, and potentially engine misfires.

3. What are the possible causes of OBDII code P219B in a 2016 Chevrolet Silverado?

Potential causes of code P219B can include a faulty oxygen sensor, vacuum leaks, fuel injector issues, or problems with the air intake system.

4. How can I diagnose OBDII code P219B in my 2016 Chevrolet Silverado?

To diagnose code P219B, it is recommended to perform a thorough inspection of the oxygen sensor, check for vacuum leaks, inspect the fuel injectors, and ensure the air intake system is functioning properly.

5. Can I continue driving my 2016 Chevrolet Silverado with OBDII code P219B?

It is not advisable to continue driving your vehicle with code P219B present, as it can potentially lead to more serious engine issues if left unresolved.

6. How can I repair OBDII code P219B in my 2016 Chevrolet Silverado?

Repairing code P219B may involve replacing a faulty oxygen sensor, fixing any vacuum leaks, cleaning or replacing fuel injectors, or addressing issues with the air intake system.

7. Is it necessary to reset the OBDII system after repairing code P219B in my 2016 Chevrolet Silverado?

Yes, it is recommended to reset the OBDII system after resolving code P219B to clear the fault code and ensure the issue has been properly addressed.

8. Can a DIY enthusiast fix OBDII code P219B in a 2016 Chevrolet Silverado?

While some aspects of diagnosing and repairing code P219B can be tackled by a DIY enthusiast, it is recommended to seek professional help for a thorough inspection and accurate repair.

9. How long does it typically take to repair OBDII code P219B in a 2016 Chevrolet Silverado?

The repair time for code P219B can vary depending on the specific cause of the issue, but it may take a few hours to a full day to diagnose and fix the problem.

10. Are there any preventive measures to avoid OBDII code P219B in a 2016 Chevrolet Silverado?

Regular maintenance, such as timely oxygen sensor replacements, checking for vacuum leaks, and keeping the fuel system clean, can help prevent the occurrence of code P219B in your 2016 Chevrolet Silverado.

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