The installation of the AEM UEGO wideband gauge requires careful planning and proper installation. To ensure accurate readings, it is recommended to mount the wideband POST turbo only, drilling a hole in the downpipe approximately 12″ from the turbo. If long tube headers are used, the oxygen sensor should be installed in the collector. If cast iron manifolds or shorty headers are used, the sensor should be installed in the front O2 location.
The Bosch wideband sensor recommends mounting it at around 10 degrees tilt above horizontal. Proper O2 sensor placement is critical for the operation and tuning of an engine. Steve Morgan provides tips to make sure your O2 sensors are as effective as possible, so your engine and tune will be too.
The wideband sensor should be placed in the existing pre-cat sensor location and then used to connect to the ECU. The wideband should be placed in a spot in the exhaust where it won’t get too hot (less than 900*F) but also where the exhaust isn’t too cold. Recommended installation requires welding the O2 sensor bung in the down pipe at least 16″ away from the turbo.
A practical alternative is mounting it 500mm from the exhaust port, but this is best if fitting the sensor is difficult. The general rule of thumb is to place the O2 12-18 inches away from the turbo, as exhaust gas temps can exceed the sensor’s capability. You would need to add a bung, typically going in the DP just after the turbo or further down the pipe.
In summary, proper installation of the AEM UEGO wideband gauge requires careful planning and careful placement of the O2 sensor.
📹 When a simple install becomes more than that… Wideband Installation
Just a random day installing a wideband gauge on Javier’s integra… Coinbase Free $10!
📹 WIDEBAND! Where to Install Bung for AFR?
Quick video on where to install your wideband AFR bung onto your exhaust. As always thank you to Lou’s Custom Exhaust!
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