AutoMeter Ultra-Lite Air Fuel Ratio Gauge (MPN: 4397)

Precision air fuel ratio monitoring for enhanced engine performance and safety.

The AutoMeter Ultra-Lite Air Fuel Ratio Gauge is designed to provide accurate readings of the air-fuel mixture in your engine, which is crucial for optimizing performance and longevity. This 2-1/16 inch in-dash mount gauge features a full sweep electric design with a range of 6:1 to 20:1 AFR, ensuring compatibility with various fuel types. The gauge utilizes an advanced calibration method that automatically calibrates on every start-up, eliminating the need for free air calibration and ensuring consistent accuracy throughout the sensor's lifespan.

Equipped with a peak recall function and a configurable lean warning system, this gauge allows users to monitor their engine's performance safely, whether on the track or the street. The display can be configured to show readings in either AFR or lambda, and it includes a programmable output for aftermarket engine management or data logging. The automatic dimming feature adjusts the light output based on ambient conditions, providing clear visibility during both day and night driving.

Installation is simplified with the inclusion of a specially designed LSU4.9 oxygen sensor, wiring harness, and mounting backer. The compact design of the AutoMeter Ultra-Lite gauge seamlessly integrates with existing AutoMeter gauges, making it a practical choice for both carbureted and fuel-injected engines. With its advanced features and reliable performance, this gauge stands out as a top choice for those seeking precision in air-fuel ratio monitoring.

Features

• Display In AFR Or Lambda
• 4.9 LSU Sensor Provides The Fastest, Most Accurate Readings Available On The Market - No Free Air Calibration Required
• Configurable Wide Open Throttle Warning And Peak Recall
• Programmable 0 To 5 Volt And Serial Data Output For Aftermarket Engine Management Or Data Logging
• Pro-Control Output Allows Automatic Control Of Other Power Systems - Nitrous, Water Or Methanol Injection, Or Safety Shutoff
• Adjustable For Alternate Fuel Types (Ethanol, Methanol, Propane, CNG) 6:1 To 18:1 AFR Range For Alternate Fuel Types
• Automatic Dimming Via Photo Diode For Seamless Transition To Night-Time Driving
• Compact Design Matches Existing AutoMeter Gauges
• Compatible With Carbureted Or Fuel Injected Engines

Specifications

• Manufacturer: AutoMeter
• Manufacturer Part Number: 4397
• Shape: Round
• Size: 2-1/16 Inch Diameter
• Mounting Type: Dash Mount
• Fuel Type: All Fuels
• Range: 6:1 To 20:1
• Display: Digital
• Includes Sending Unit: Yes
• Sweep Type: 270 Degree Sweep
• Face Color: Silver
• Number Color: Red
• Bezel Color: Silver

Technical Documents

• 2650-1828.pdf