Wideband O2 sensors
Last Updated on July 22, 2024 by Mutiara
An O2 sensor determines the air fuel ratio in a combustion engine by measuring the amount of unburned oxygen remaining in the exhaust. An ideal ratio is 14.7, which is considered stoichimetric (perfect). The higher the number, the Leaner the Air/Fuel is. The lower the number, the Richer the Air/Fuel is. The following is a quick summary of some of the most commonly available Wideband O2 kits on the market.
AEM Gauge-Type Wideband UEGO Controller
AEM has combined its single-channel wideband UEGO controller and gauge display into one unit, uniting unsurpassed AFR accuracy and control with an easy-to-read interface. AEM’s Gauge-Type Wideband UEGO Controller features a digital LED display and sweeping LED “needle” that changes colors as AFR changes from rich to lean. The unit’s 52mm (2-1/16”) gauge housing fits in most gauge pods and can be remotely mounted virtually anywhere.
Features
- Ideal AFR monitoring tool for EFI and carbureted applications, and engine dynamometers
- Does not oscillate AFR reading like narrow band sensors
- No laptop required for monitoring!
- Bosch sensor included
- Accurate to 0.1 AFR
- Reads in AFR or Lambda via a switch in back of gauge housing
- 24 Color-coded LED display lights provide immediate reference to engine’s air/fuel ratio (AFR) or Lambda ratio
- Integrated three-digit display reveals AFR or Lambda in real time
- User-programmable 0-5v analog output included for use with data loggers and virtually any engine management system
- Serial data stream included for output of AFR (RS 232)
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NGK Powerdex AFX
The AFX Air-Fuel Ratio Monitor offers the most affordable wideband system to date. A flexible and rugged system complete with everything needed to get you tuning. The kit comes with a digital display control module, 13’ wiring harness, wideband air-fuel ratio sensor, exhaust boss and plug, and a comprehensive tuning manual. The tuning manual includes installation instructions and contains a detailed guide to performance air-fuel ratio tuning.
The AFX measures and displays air-fuel ratio (AFR) from 9.00 to 16.00. It demonstrates superb response and accuracy within 0.1 AFR. The air-fuel ratio information can then be utilized by the user to make fuel delivery adjustments to the vehicle’s carburetor, mechanical fuel injection, or programmable electronic fuel injection system. The desired air-fuel ratio can be achieved depending on the performance requirements of the engine or race application. This is an exceptionally useful tool for carbureted engines, where there is a lot of freedom in tuning as well as a great need for proper adjustment.
Innovative Motorsports LC-1 Wideband Controller
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The LC-1 Lambda cable is a complete wideband controller built in to a sealed cable. It features the same award-winning patented digital measurement principal found in the LM-1, and includes digital input, output, and 2 user programmable analog outputs.
The LC-1 is more accurate than conventional designs costing many times as much, and its self-calibrating circuitry can compensate for changes in temperature, altitude and sensor condition. The LC-1 is ideal for applications such as Dynos, Data Acquisition, Standalone ECUs, piggyback fuel controllers, OBD-II software or chip programmers, and gauges. With the LC-1, you can add additional wideband channels to your LM-1, convert an existing narrow-band gauge, or add wideband capabilities to your dyno. You can even tune individual cylinders by using multiple LC-1 kits.
Features
- Only fully digital wideband controller.
- Auto calibration capability to compensate for changes in temperature, altitude, and sensor condition.
- Two user programmable analog outputs.
- Permanent install applications
- Cost effective individual cylinder tuning.
- Easy to upgrade.
- Includes LogWorks software.
PLX Devices M-300 Wideband Controller
Bosch controller with display. Wideband Air/Fuel Controller (UEGO) with 4 digit digital display readout.
Features
- Simple wideband air/fuel ratio gauge setup
- Stand alone engine management system interface
- Piggyback fuel system interface
- Interface with data loggers
- Stock narrowband sensor replacement
Zeitronix Wideband Air/Fuel Meter
Finally you can tune for more power, closer to the edge, precisely monitoring Air/Fuel ratio Boost, EGT, RPM and throttle position datalogging up to 9 hours of data with a blazing rate of 74 samples per seconds per graph.
Features
- Fully digital, smallest Wideband O2 controller in the world!
- Zt-2 is about the size of 1″ thick business card.
- Extremely compact design for installation where space is a premium.
- Zt-2 Specs
- 0.1 AFR accuracy
- Operating voltage 10V to 18V
- Switching power supply for oxygen sensor heater
- Precise sensor temperature control
- Reverse polarity protection
- Integrated fuse
- Flexible Plug and Play Sensor Harness with a small, easy to route through the fire wall, connector
- Wideband Oxygen Sensor included
- Easy to install plug and play kit
- Adjustable Narrowband Switching Point
- Warning Alarms and Triggers
Inputs/Outputs
- Bosch Wideband O2 sensor
- Linear Wideband Output AFR=Vx2+9.6
- Nonlinear Wideband Output
- Serial data output to the Zeitronix Wideband LCD Display
- Serial data output for real time datalogging (PC laptop required)
- RPM Input ( tachometer or primary side ignition coil input).
- The RPM input works in any car and any ignition system. No additional adapters needed!
- Simulated Narrowband Output to feed a stock ECU
- Throttle Position Input
- Boost Sensor Input
- EGT Probe Input
- User Input/Warning Output
The 1.6 L 3 cylinder turbocharged EcoBoost engine is an upcoming design in a number of Ford vehicles wearing the Read more
Common Ford power steering issues Ford power steering pump with reservoir. The power steering system commonly found on most Ford Read more
The Ford MTX-75 (Manual TransaXle), is a 5-speed transmission developed by Ford Motor Company for its larger engined front wheel drive models. "75" refers to Read more
This page contains some modifications that were done to a Ford Windstar with a 3.8 Ford Essex engine for amusement. Read more
