Specifications
Part Details:
Tuning without accurate air fuel ratio data is guesswork, and on a boosted build guesswork gets expensive. The Haltech WB1 is a single channel wideband controller that reads a Bosch LSU 4.9 sensor and sends air fuel ratio data straight to the ECU over CAN, with no analog wiring to calibrate. It’s plug and play with Haltech Nexus, Elite and Platinum ECUs, and works with supported third party ECUs as well.
The WB1 is set up and controlled through Haltech’s NSP, ESP or ECU Manager software, depending on the ECU. The kit comes complete with the sensor, cables and weld-on bung, so it’s ready to install out of the box. Haltech products are sold for off-road and competition use only and are not legal for use on public roads in emissions controlled vehicles.
Key Features
- Single channel CAN wideband controller
- Controls a Bosch LSU 4.9 wideband sensor
- Sends air fuel ratio data to the ECU over CAN, no analog wiring needed
- Plug and play with Haltech Nexus, Elite and Platinum ECUs
- Compatible with supported third party ECUs
- Programmed through NSP, ESP or ECU Manager software
- Includes WB1 controller, Bosch LSU 4.9 sensor, 4ft (1200mm) CAN cable, power supply cable, weld-on bung and quick start guide
- Off-road and competition use only
Frequently Asked Questions
What’s included in the kit?
The WB1 controller, a Bosch LSU 4.9 sensor, a 4ft CAN cable, a power supply cable, a weld-on bung and a quick start guide.
Which Haltech ECUs does it work with?
It’s plug and play with Haltech Nexus, Elite and Platinum ECUs over CAN, and it also works with supported third party ECUs.
Do I need this with a Nexus S2 or S3?
Not for a single sensor. The Nexus S2 and S3 have an onboard wideband controller. The WB1 is the go-to for Elite and Platinum ECUs, which don’t have one built in.
Is the WB1 street legal?
No. Haltech sells its products for off-road and competition vehicles only.
Recommended Supporting Components
- What Does EFI Tuning Actually Do for Your WRX see why accurate air fuel ratio data matters for a safe tune.
- E85 vs Pump Gas on WRX and STI: What Changes and Is It Worth It fuel changes are exactly where wideband data earns its keep.
Why Buy Engine Management from Wrench Masters?
Haltech is the engine management Wrench Masters uses in its own St. Petersburg shop, so the advice behind every order comes from real installs on real builds.
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Delivery Times:
- In Stock: 3-7 Business Days
- Custom Orders: 2-6 Weeks, Please Email: [email protected] or Call: 727-565-9808 for Questions.
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