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15+ Subaru WRX STi Visconti Tuning Wideband Sensor Harness and AEM Wideband

$295.00

Visconti Input (Required)

AEM Gauge Color (Required)

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Product Description

Visconti Tuning Wideband Sensor Harness

Subaru’s equipped with EJ motors come with a narrow band 02 sensor which do not offer accurate readings during high engine loads (wide-open-throttle). This makes it difficult to fine tune or even monitor the most simple setups. Our Plug and Play Subaru Wideband Sensor Harness aka Wideband Logging cable allows you to wire your aftermarket wideband sensor to your factory ECU. Protect your investment with a simple monitoring harness that can be easily integrated into any COBB tuned car.

-100% PLUG AND PLAY
-Easy to install
-Custom tuning required

 

Wideband Monitoring TGV-INPUT

Perfect for those who already have their TGVs deleted.

-Plug & Play harness that interfaces with the ECU via TGV plug
-Easiest to install

 

Wideband Monitoring REAR02-INPUT

Perfect for those who are already using their TGV inputs for Flex Fuel and Fuel Pressure.

-Plug & Play harness that interfaces with the ECU via Rear02
-This will delete the rear 02 sensor

 

AEM Wideband

 

AEM’s Wideband UEGO Air/Fuel Ratio Sensor Controller Gauges are built upon unique, patented 100% Digital technology that makes them the fastest responding wideband air/fuel ratio controllers in independent testing*.

The Wideband UEGO AFR Sensor Controller Gauge measures 2 1/16th-inch (52mm) in diameter and features a modern, visually striking faceplate and new seven-segment center display that is 87% larger than the 30-4110 AEM Wideband Gauge’s center display. This creates the perception of a larger overall gauge, but in a common 52mm size for easy mounting. Its slim depth (less than one inch overall) and ultra-slim cup depth of .200-inches dramatically increases its application base and potential mounting locations.

The Wideband UEGO AFR Gauge has a user configurable display via buttons on the gauge face that allows you to change AFR values for different fuels, Lambda or O2%, change the center display to three or four digits, perform a free-air calibration if desired as the sensor ages, and change the CAN message ID when linking multiple Inline Controllers or Controller Gauges. A black bezel and black dual-faced faceplate for air/fuel and Lambda are included, and an optional silver bezel with white dual-faced air/fuel and Lambda faceplate is available (sold separately). An Auto Dimming feature is included. Locking connectors ensure a positive connection between the harnesses and gauge and a new single board design adds to the new gauge’s durability.

The gauge includes a 0-5v and RS232 Serial Port output for feedback control and data logging, and an AEMnet (CANbus) output for data logging. AEMnet allows additional Wideband Controllers to be daisy chained together (up to 16 cylinders) for recording AFR in multiple cylinders. It supports vehicle/system voltages up to 16V, and can be used on EFI or carbureted applications, and dynamometers in applications using gasoline, methanol, ethanol, Diesel, propane, and CNG.

 

 

WHY RESPONSE TIME MATTERS

Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM’s Wideband Controllers with X-Digital technology can reduce deadtime and improve the performance of your vehicle through more accurate AFR tuning. Deadtime is the delay between when exhaust gas composition changes and when that change is reported by the O2 sensor. While flow of exhaust gases (transport delay) can affect deadtime, it is not the only source. Often, the sensing elements response to the gas is the largest contributor to deadtime when an engine is in high RPM under load.

When tuning an engine using wideband AFR feedback control on an inertia dyno, deadtime affects the data you are looking at because it is reported in a different operating location than when it actually occurred. This means with long deadtimes, whatever changes you make to the base fueling will likely be in the wrong location. This can be particularly dangerous to high compression and high-boost forced induction vehicles, and EFI systems that use feedback control to auto-tune.

Reducing deadtime improves wideband feedback control, and can provide a safer, more powerful and accurate tune. AEM’s Wideband Controllers digital technology can reduce deadtime and improve the performance of your vehicle through more accurate AFR tuning.

 

FACTORY CALIBRATION RESISTOR OR FREE-AIR CAL, IT’S YOUR CHOICE!

The Wideband Gauge and Inline Controller support the popular Bosch 4.9LSU sensor and can utilize both the factory calibration resistor and free-air calibration methods**. This allows users to take advantage of the precise factory resistor calibration when a sensor is new but then allows for free-air calibrations if the user desires when the sensor ages. It’s the perfect marriage of simplicity and accuracy!

 

WHAT IS A WIDEBAND UEGO AIR/FUEL CONTROLLER?

AEM’s Wideband UEGO (Universal Exhaust Gas Oxygen, pronounced “You-Way-Go”) Controllers are powerful, cost-effective tuning tools that allow users to accurately monitor the Air/Fuel Ratio (AFR) of their engine.

 

WHY USE A WIDEBAND AIR/FUEL CONTROLLER?

Accurate AFR data is critical when tuning an engine. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power, while running too lean (very high air/fuel ratio, not enough fuel) may result in serious engine damage. Using a wideband air/fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency. AEM has a comprehensive line of highly accurate, reliable wideband air/fuel controllers that can help ensure your vehicle is optimally tuned.

 

CAN I CHANGE THE AEM UEGO SENSOR’S CONNECTOR?

No. There is a laser-etched, calibrated resistor in the sensor’s connector body. This resistor is specifically created for the exact sensor that it is attached to. Modifying this will invalidate the sensor’s output.

 

* Independently tested at 360° Product Testing (results reported on August 31st, 2015) against 17 competitors wideband UEGO Air/Fuel Controllers. AEM Inline with Bosch 4.9LSU wideband sensor and AEM Wideband UEGO AFR Gauge with Bosch 4.9LSU sensor recorded the fastest response times.
** Wideband UEGO sensors are wear items and their lifespan is determined by many factors including contamination from leaded fuels, automotive fluids, particulates, mechanical or thermal shock and from being unheated and exposed to the exhaust stream. Free-air calibration may correct drift as a sensor ages, but it is recommended that they are replaced as part of your vehicle’s maintenance program. When performing free-air calibration, please follow the procedure outlined in the instruction manual.

Additional information

Weight 15 lbs
Dimensions 15 x 15 x 15 in

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Competition use only parts are clearly labeled as competition use only in the product listing page and may only be used according to the guidelines posted on our Emissions Notice to Customers in California page