P2096 — Post-catalyst fuel trim system too lean (bank 1)

Code P2096 is a standard OBD-II diagnostic trouble code: Post-catalyst fuel trim system too lean (bank 1).

In our record, P2096 is reported most often on Subaru, Hyundai and Ford vehicles , against engine and powertrain failure patterns , across 2006–2020 model years.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite P2096 across 7 vehicle failure patterns. Diagnostic codes in complaints are reported by owners and are unverified — they point to where this code shows up, not a confirmed diagnosis. Open a page below for the full pattern (symptoms, mileage, repair costs owners cite).

Vehicles where owners report P2096 7 patterns

2020 Subaru Ascent

powertrain — CVT Transmission Shuddering, Slipping, and Surging

2018 Ford Escape

engine — Coolant intrusion into engine cylinders

2018 Nissan Versa

airbags — Airbag light illumination with no deployment capability

2015 Hyundai Sonata

engine — Limp mode / power loss and drivability issues

2011 Hyundai Elantra

engine — Engine ticking/knocking noise with internal metal damage

2011 Subaru Legacy

powertrain — CVT Torque Converter Stalling on Braking

2006 Dodge Magnum

electrical — Check Engine Light and Oxygen Sensor/Wire Harness Issue

Codes are pulled from what owners wrote in their NHTSA filings — they're allegations, not a shop diagnosis. Always confirm with a live scan. Browse all diagnostic codes →