Monitor your engine air fuel ratio live from your phone with the PE Wideband Kit with Bluetooth! The kit includes a PE Wideband Controller, Bosch LSU 4.9 O2 sensor and weld in bung so you can monitor your engine’s air fuel ratio. The PE Wideband O2 Kit is great for single cylinder, inline 4 cylinder, 6 cylinder and 8 cylinder engines.
If you need 2 PE Wideband O2 Kits for your V-Twin, V6 or V8, you can get the Dual Channel PE Wideband O2 Kit and save!
Knowing your air fuel ratio is critical to make sure your engine running at it’s best. Most Wideband O2 controllers are difficult to install, adding additional wiring to your car and having to install a gauge in your dash.
Installation is easy with only 2 wires to install the PE Wideband. There’s no need to run any wires through your firewall, or install gauges in your dash. Pair your smartphone using the PE Wideband App to start reading your engine’s air fuel ratio in a matter of seconds!
The PE Wideband O2 Controller features Bluetooth connectivity, 0-5 Volt analog output in a robust, compact design. The PE Wideband App will enable you to see live air fuel ratios on your smartphone.
Buy online to get your PE Wideband today!
See the PE Wideband in action on Engine Power!
Wireless Bluetooth Communication – up to 30 ft
iOS and Android App
Fast Reconnection Times
Adjustable History Graph in App
Bosch LSU 4.9 Sensor Included
Display AFR or Lambda
Customizable Color Gradient
Output for External Device (0-5 Volt)
Easy 3 Wire Connection
No Sensor Calibration Required
Optional 6′ Sensor Extension Cable Available (sold separately)
Wideband O2 Controller
Bosch LSU 4.9 Sensor
Weld On O2 Bung (Mild Steel)
3.75″ x 2.00″ x 0.75″ (95 mm x 51 mm x 19 mm)
Power / Ground / Signal Wire
48″ (1219 mm)
Sensor Wire (from controller)
12″ (305 mm)
Sensor Wire (from sensor)
18″ (457 mm)
Total Sensor Wire (from controller to sensor)
32″ (813 mm)
CAN Bus Wires
4.5″ (114 mm)