Autometer C2 (Cobalt II) Series Air / Fuel Gauge
2004–2026 Scion, Subaru, Toyota Models
Part #: 7175
Overview
The Autometer C2 (Cobalt II) Series Air / Fuel Gauge is a precision instrument designed to provide real-time monitoring of your engine’s air-to-fuel ratio. This digital gauge eliminates the guesswork involved in tuning your vehicle, allowing you to maintain optimal combustion for performance and engine safety. Ideal for enthusiasts and tuners alike, it helps prevent engine damage caused by running too lean or too rich.
Compatible with a wide range of vehicles including popular Scion models, Subaru BRZ, Toyota 86, and Toyota GR series, this gauge is engineered to work seamlessly with most factory narrow-band oxygen sensors. Its clear digital display and compact 2 1/16" size make it a convenient and attractive addition to your dashboard.
Key Features
The Autometer C2 Air / Fuel Gauge combines accuracy, ease of use, and durability. Key features include:
- Digital display with precise air/fuel ratio readout from lean to rich
- Compact 2 1/16" (52.4mm) gauge size fits standard dash openings
- Compatible with most factory narrow-band O2 sensors for easy integration
- May require Autometer model 2244 accessory for certain applications
- High-contrast cobalt blue LED display for excellent visibility day or night
- Includes all necessary hardware and detailed installation instructions
- Durable construction designed for long-lasting performance in automotive environments
- Ideal for monitoring air/fuel ratio during tuning, performance driving, or daily use
Construction & Design
The Autometer C2 Series gauge features a robust housing engineered to withstand the rigors of automotive use. Its digital display utilizes advanced LED technology to deliver crisp, easy-to-read information under all lighting conditions. The gauge’s compact size allows for versatile mounting options without cluttering your dashboard. Precision electronics ensure reliable and consistent readings, helping you maintain the ideal air/fuel mixture for your engine.
Installation & Fitment
Installation is straightforward with the included hardware and instructions. The gauge is designed to work with most factory narrow-band oxygen sensors, making it compatible with a broad range of vehicles. Some applications may require the Autometer model 2244 accessory for sensor compatibility. This gauge fits a variety of models including:
- 2004–2006 Scion xA and xB
- 2005–2010 Scion tC
- 2008–2014 Scion xD
- 2008–2015 Scion xB
- 2011–2016 Scion tC
- 2012–2015 Scion iQ
- 2013–2016 Scion FR-S
- 2013–2020 Subaru BRZ
- 2017–2020 Toyota 86
- 2016 Scion iA and iM
- 2020–2026 Toyota GR Supra
- 2022–2026 Toyota GR86
- 2022–2026 Subaru BRZ
- 2023–2026 Toyota GR Corolla
Professional installation is recommended to ensure accurate sensor connections and gauge calibration.
What's Included
- Autometer C2 (Cobalt II) Air / Fuel Gauge (2 1/16" size)
- Mounting hardware
- Wiring harness
- Detailed installation instructions
Ideal For
This gauge is perfect for automotive enthusiasts, tuners, and racers who demand precise air/fuel ratio monitoring to optimize engine performance and protect against damage. Whether you are tuning your engine for maximum power, improving fuel efficiency, or simply want peace of mind during spirited driving, the Autometer C2 Air / Fuel Gauge delivers reliable data in an easy-to-read format.