P00BB
Fuel Injector Insufficient Flow Forced Limited Power
Generic OBD-II
Common symptoms
What you'll notice
- Test and clean or replace fuel injectors
- Check fuel pressure and replace fuel filter if necessary
- Inspect and clean or replace throttle body
- Check and repair any vacuum leaks in the intake system
- Inspect and replace the fuel pump if needed
Common causes
Most likely first
- Clogged fuel filter
- Faulty fuel pump
- Dirty fuel injectors
- Fuel pressure regulator malfunction
- Low fuel pressure
How to diagnose & fix
Work through it in order
- Engine misfires or runs roughly
- Decreased fuel efficiency
- Loss of power or acceleration
- Rough idle or stalling
- Check Engine Light illuminated
Read & clear P00BB yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.