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Common Subaru Issue: Warning Code P2096

Make: Subaru | Model example: 2016 Outback | Avg Mileage: 109915 | Job Number: 483386

Repair Issue:

Warning code P2096.


Leaking exhaust pipe – malfunctioning oxygen sensor.

Customer Concern:

Warning code P2096.


P2096 – Post Catalyst fuel trim too lean B1. Test for tiny exhaust leaks near the post Catalytic Converter Oxygen sensor with smoke machine.

Tech Tip:

Leaks may cause older sensors to go bad. Check sensors when replacing any sections of the exhaust systems.

Important Take-A-Way:

Tech Tip narrows down cause of warning codes that may not be easily noticed by driving vehicle.

Most Popular Fix:

Replaced/Tightened Air Fuel (A/F) Ratio Sensor – Replaced Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (B1S1) – Replaced Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (B1S2)

Other Common Car Problems:

View more common car problems from the most popular manufactures including Ford, Dodge, Chevrolet, Honda, Toyota, and more. Read more

Also applies to the following Makes and Models

2009 Forester 2.5, 2009 Impreza 2.5, 2008 Legacy 2.5, 2009 Legacy 2.5, 2010 Legacy 2.5, 2011 Legacy 2.5, 2012 Legacy 2.5, 2008 Outback 2.5, 2009 Outback 2.5, 2010 Outback 2.5, 2011 Outback 2.5, 2012 Outback 2.5, 2013 Outback 2.5, 2014 Outback 2.5, 2012 Outback 3.6

Author: James Witzmann

Guy began his automotive career in 1989. His experience includes working at Isuzu, Mazda, and Subaru dealerships as well as owning and operating an independent shop for two years. Guy grew up in his father’s automotive repair shop in Texas and has been working on cars since he was 14 years old. He went to Texas State Technical College after high school and obtained an Associate’s Degree in Automotive Technology. After tech school he worked in a multi line Japanese car dealership where he became familiar with Mazda, Subaru, Isuzu, Suzuki, Kia and Diahatsu. His specialty carlines were Mazda and Isuzu, both of which he is Master Certified in. He has his ASE Master Tech certification as well as the advanced L1. Outside side of work he enjoys fishing and mountain biking.

Our database continues to grow! Our professional auto repair technicians add new fixes submitted by our Direct-Hit® users. These case studies are confirmed, experience-based fixes directly from technicians and shops. You can find these solutions and more in Direct-Hit®.

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