P2658 moderate

Injector D Fuel Balance Deviation - Bank 2

The P2658 code means the vehicle's onboard diagnostic system has detected: Injector D Fuel Balance Deviation - Bank 2. This is a moderate severity code.

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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
  • Minor engine roughness at idle
  • Slightly uneven power delivery
  • Check engine light may come and go
  • Marginally reduced MPG

Probable Causes (Ranked by Likelihood)

  • Injector flow rate out of specification Very High
  • Carbon buildup on injector tip High
  • Fuel filter partially restricted Moderate
  • Wiring resistance causing reduced injector opening time Low

Step-by-Step Diagnostic Procedure

  1. Read freeze frame data and confirm P2658 is stored

  2. Compare long-term fuel trims between banks

  3. Test each injector flow rate with professional equipment

  4. Replace fuel filter and retest

Frequently Asked Questions

What does P2658 mean?

P2658 indicates a problem with the injector d fuel balance deviation - bank 2. This means the fuel delivery to one or more cylinders is not balanced properly.

Can I drive with a P2658 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 P2658?

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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