Injector A Fuel Balance Deviation - Bank 2
The P2655 code means the vehicle's onboard diagnostic system has detected: Injector A Fuel Balance Deviation - Bank 2. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $150 - $500 (parts and labor)
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Common Symptoms
- Check Engine Light on
- Slight engine roughness
- Inconsistent idle quality
- Minor fuel economy reduction
- Subtle performance variation
Probable Causes (Ranked by Likelihood)
- Clogged or restricted fuel injector Very High
- Fuel quality issue causing deposits High
- Fuel pressure regulator not maintaining consistent pressure Moderate
- Injector electrical drift over time Low
Step-by-Step Diagnostic Procedure
-
Read freeze frame data and confirm P2655 is present
-
Perform injector flow balance test
-
Check fuel pressure and fuel quality
-
Clean injectors with professional cleaning service or replace
Frequently Asked Questions
What does P2655 mean?
P2655 indicates a problem with the injector a fuel balance deviation - bank 2. This means the fuel delivery to one or more cylinders is not balanced properly.
Can I drive with a P2655 code?
You can drive short distances, but the engine will run rough and may cause catalytic converter damage over time. Have it diagnosed promptly.
How much does it cost to fix P2655?
Repairs typically cost $150 - $500. Injector cleaning is least expensive, while injector replacement costs more.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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