OBD Codes List

Diagnostic reference · P00BB

P00BB

Fuel Injector Insufficient Flow - Forced Limited Power

System
Fuel and air metering (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P00BB means Fuel Injector Insufficient Flow - Forced Limited Power.

Where it lives

For P00BB, the part to look at first is the injector named here.

Check these first

  • A clogged or failed fuel injector
  • Low fuel pressure from a weak pump or clogged filter
  • Open or short in the fuel injector circuit
  • A corroded connector at the affected injector

What to do next

  1. Read the code and check fuel pressure
  2. Inspect the affected injector connector for corrosion
  3. Test the injector circuit for opens and shorts
  4. Compare injector balance or misfire counts across cylinders
  5. Replace the clogged or failed fuel injector
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.