P2653 serious

Cylinder 3 Injector Circuit Open - Bank 2

The P2653 code means the vehicle's onboard diagnostic system has detected: Cylinder 3 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
  • Cylinder 3 misfire on Bank 2
  • Engine vibration at idle
  • Poor acceleration
  • Catalytic converter may overheat

Probable Causes (Ranked by Likelihood)

  • Open wiring to cylinder 3 injector Very High
  • Injector solenoid coil failure High
  • Rodent damage to injector wiring Moderate
  • PCM output driver malfunction Low

Step-by-Step Diagnostic Procedure

  1. Read freeze frame data and confirm P2653 is present

  2. Test injector resistance and compare to other cylinders

  3. Inspect wiring harness for damage, especially near exhaust

  4. Verify PCM injector pulse with noid light or oscilloscope

Frequently Asked Questions

What does P2653 mean?

P2653 indicates a problem with the cylinder 3 injector circuit open - bank 2. This means the fuel delivery to one or more cylinders is not balanced properly.

Can I drive with a P2653 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 P2653?

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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