P219B GMC 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 GMC 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.
Code P219B GMC Description
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.
What are the Possible Causes of the DTC P219B GMC?
- 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 GMC?
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 GMC 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 GMC code?
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Need Help with the Code?
Get the P219B GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- P219B 2014 GMC Sierra — Fuel Trim Cylinder Balance Bank 2
- P219B 2015 GMC Sierra — Fuel Trim Cylinder Balance Bank 2
- P219B 2016 GMC Sierra — Fuel Trim Cylinder Balance Bank 2
- P219B 2017 GMC Sierra — Fuel Trim Cylinder Balance Bank 2
- P219B 2018 GMC Sierra — Fuel Trim Cylinder Balance Bank 2
Frequently Asked Questions about P219B GMC Code
1. What are the common symptoms of OBDII code P219B GMC?
- Common symptoms include rough idling, decreased fuel efficiency, and potential engine misfires.
2. What does the OBDII code P219B GMC indicate?
- This code indicates a fuel trim imbalance in bank 2 of the engine, specifically related to cylinder balance.
3. What are the possible causes of OBDII code P219B GMC?
- Potential causes include vacuum leaks, fuel injector issues, faulty oxygen sensors, or a problem with the intake system.
4. How can I diagnose the OBDII code P219B GMC?
- Diagnosis usually involves checking for vacuum leaks, testing fuel injectors, inspecting oxygen sensors, and analyzing the intake system for any issues.
5. How serious is the OBDII code P219B GMC?
- While the code may not cause immediate harm to the engine, it can lead to decreased performance and efficiency if left unresolved.
6. Can I drive my vehicle with the OBDII code P219B GMC?
- It is generally not recommended to drive your vehicle with this code as it can lead to further damage and decreased engine performance.
7. How can I repair the OBDII code P219B GMC?
- Repairs may involve fixing vacuum leaks, replacing faulty fuel injectors, repairing or replacing oxygen sensors, and ensuring the intake system is working correctly.
8. Will resetting the OBDII code P219B GMC make it go away permanently?
- Resetting the code may temporarily remove the warning light, but if the underlying issue is not addressed, the code is likely to reappear.
9. Can a DIY enthusiast fix the OBDII code P219B GMC themselves?
- Depending on their skill level, DIY enthusiasts may be able to address simpler causes such as vacuum leaks, but complex issues may require professional help.
10. How much does it cost to repair the OBDII code P219B GMC?
- The cost of repair can vary widely depending on the specific cause of the code, but it's advisable to budget for diagnostics and potential part replacements.
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