P2654 serious

Cylinder 4 Injector Circuit Open - Bank 2

The P2654 code means the vehicle's onboard diagnostic system has detected: Cylinder 4 Injector Circuit Open - Bank 2. This is a serious severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$200 - $600 (parts and labor)
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Common Symptoms

  • Check Engine Light on
  • Misfire on cylinder 4 Bank 2
  • Rough idle and vibration
  • Decreased fuel economy
  • Raw fuel odor from tailpipe

Probable Causes (Ranked by Likelihood)

  • Disconnected or broken injector wire Very High
  • Failed fuel injector High
  • Heat-damaged connector near exhaust manifold Moderate
  • ECM injector driver circuit failure Low

Step-by-Step Diagnostic Procedure

  1. Read freeze frame data and confirm P2654 is present

  2. Measure fuel injector resistance

  3. Check injector connector and wiring for heat damage

  4. Swap injector to another cylinder and check if code follows

Frequently Asked Questions

What does P2654 mean?

P2654 indicates a problem with the cylinder 4 injector circuit open - bank 2. This means the fuel delivery to one or more cylinders is not balanced properly.

Can I drive with a P2654 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 P2654?

Repairs typically cost $200 - $600. 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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