OBD-II code · Powertrain (generic, extended)
P2193 System Too Lean at Higher Load (Bank 2)
Bank 2 fuel trim hits the lean limit only at higher engine load. Pattern points to a fuel-supply restriction — failing fuel pump, blocked filter, or weak injectors — rather than a vacuum leak (which would dominate at idle).
Is it safe to drive with P2193?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyFuel pump weak under load
- PossibleFuel filter clogged
Symptoms
- Check engine light on
- Rough idle, possible stalling
- Hesitation or hard cold start
- Power loss under load
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3.5 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Pump, Fuel Filter, Fuel Injector
Related codes
- P0174System Too Lean (Bank 2)
- P2191System Too Lean at Higher Load (Bank 1)
- P2190System Too Rich at Idle (Bank 2)
- P2192System Too Rich at Higher Load (Bank 1)
- P2194System Too Rich at Higher Load (Bank 2)
- P2195O2 Sensor Signal Stuck Lean (Bank 1, Sensor 1)
- P2196O2 Sensor Signal Stuck Rich (Bank 1, Sensor 1)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.