OBD-II code · Powertrain (generic, extended)
P2B00 Cylinder 1 Injection Pulse Performance
The ECM detects that the injection pulse on cylinder 1 does not produce the expected combustion result. Pulse width, timing, or quantity drift compared to the bank average.
Is it safe to drive with P2B00?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyInjector aged - flow characteristic drifted
- PossibleFuel quality affecting injection result
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–6 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Injector Cyl 1, Ecm
Related codes
- P2B01Cylinder 2 Injection Pulse Performance
- P2B02Cylinder 3 Injection Pulse Performance
- P2B03Cylinder 4 Injection Pulse Performance
- P2B04Cylinder 5 Injection Pulse Performance
- P2B05Cylinder 6 Injection Pulse Performance
- P2B06Cylinder 7 Injection Pulse Performance
- P2B07Cylinder 8 Injection Pulse Performance
- P2AFDEngine Coolant Temperature Sensor 4 Range/Performance
- P2AFEEngine Coolant Temperature Sensor 4 Circuit Low
- P2AFFEngine Coolant Temperature Sensor 4 Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.