Why Air/Fuel Ratio Monitoring Matters
Your AFR determines how your engine runs:
Too lean:
- Detonation
- Overheating
- Engine damage
Too rich:
- Loss of power
- Poor fuel economy
- Fouled plugs
A wideband AFR gauge tells you exactly where you are—so you can adjust before things go wrong.
Red pointer for fast glance monitoring. Rugged reliable performance. Precision movement and extreme accuracy. 1 year restricted warranty.
Key Features & Functions
Wideband Oxygen Sensor Technology
This kit uses a wideband O2 sensor, which provides:
- Highly accurate AFR readings across a wide range
- Real-time data under all driving conditions
- Precise tuning capability
Unlike narrowband gauges, this actually tells you useful information.
Complete AFR Kit (Sensor + Gauge)
This isn’t just a gauge—it’s a full system:
- Includes wideband O2 sensor
- Wiring and controller components
- Ready for installation
Everything you need to start monitoring and tuning.
Gauge kit includes custom tuned .1 AFR Answer Bosch LSU4.2 Sensor, 8ft. wiring harness, 304 chrome steel weld-in bung, mounting hardware, and detailed instructions for installation
0-4v data output feed for ECU, data acquisition unit, or Computer tuning
2-5/16″ Gauge Size
The 2.3125 inch diameter offers:
- Larger display for easy readability
- Clear visibility during driving
- Flexible mounting options
Because AFR changes fast—you need to see it fast.
Sport-Comp Performance Styling
Classic Auto Meter design:
- Black dial with bold markings
- High-contrast needle
- Race-inspired look
Clean, functional, and easy to read.
Appropriate to be used with gasoline powered engines
Digital section display and LED radial bar graph display
Real-Time AFR Feedback
This system delivers:
- Instant air/fuel ratio readings
- Accurate data under boost or load
- Reliable feedback for tuning adjustments
Because guessing AFR is how engines fail.
Why You Need This Auto Meter 3379 Wideband AFR gauge
If you’ve modified anything related to airflow or fueling, this is mandatory.
The Auto Meter 3379 Wideband AFR Kit gives you:
- Accurate air/fuel ratio monitoring
- Safer tuning for performance builds
- Protection against lean or rich conditions
- Confidence when pushing your setup
Because tuning blind is how you break things.
12 and 16 volt compatible, compatible with just about each street car or race car electrical system
Ideal Applications
- Turbocharged builds
- Supercharged setups
- ECU-tuned vehicles
- Track and race cars
- High-performance street builds
Final Verdict
The Auto Meter 3379 Sport-Comp Wideband AFR Kit is one of the most critical upgrades for any serious performance build.
It gives you the data you need to tune safely, maximize performance, and avoid catastrophic mistakes.
Because AFR isn’t a suggestion—it’s everything.
There are no reviews yet.