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AEM Wideband/Boost Failsafe Gauge P/N 30-4900
AEM DATA Screenshot
AEM Wideband/Boost Failsafe Software
AEM Wideband/Boost Failsafe Software Graph
  • SKU: 016-30-4900

AEM Wideband O2 AIR FUEL & BOOST Failsafe Gauge

$337.99
Shipping calculated at checkout.
  • Vendor: AEM
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AEM's Wideband Failsafe Gauge provides the ability to accurately tune AFR, while actively protecting your engine by constantly monitoring AFR curves and activating a user-defined failsafe strategy if it runs lean.

The Wideband Failsafe Gauge is a Universal Exhaust Gas Oxygen (UEGO—“you-way-go”) controller with an internal boost sensor, an internal data logger and a full color Organic Light Emitting Diode (OLED) display. It includes technology to activate a failsafe strategy in the event AFR falls outside of a user-defined operating window. If the AFR falls outside of the set operating window, the Wideband FAILSAFE Gauge triggers a user defined output function that can save an engine from catastrophic damage.

This gauge is a must have for all tuned performance engines, either forced induction or naturally aspirated, fuel injected or carbureted. Any high performance vehicle owners who want a highly accurate AFR tuning tool with internal data logging and a protection strategy that can save an engine from catastrophic failure will want this Failsafe device.

Since the Wideband Failsafe Gauge is a wideband AFR controller with an internal boost sensor (up to 29 PSIg), it is able to display AFR and either boost or vacuum in real time on a vibrant Organic LED screen. It also includes an on board data logger that records AFR, RPM* and boost/vacuum and can be downloaded and viewed in AEMdata analysis software. The gauge includes a low side output for triggering a failsafe strategy in the event AFR falls outside of the operating window, and an RPM input* to log RPM for tuning purposes.

The gauge’s failsafe strategy is completely user definable, from something as simple as making the gauge flash to using the ground output to trigger a check engine light, to cut boost, retard timing, or even switch to a safety map using a standalone engine management system.

The Wideband Failsafe Gauge’s software simplifies the interface set up. Choose displayed parameters (AFR, boost or vacuum) on the center OLED screen and bar graph, set the alarm flash mode and adjust the gauge’s lighting for a custom look, then install the correct faceplate to match your configuration (6 faceplates to choose from).

  • Bosch Wideband UEGO sensor and weld-in bung included
  • On-Board 3+ hour Datalogging capability at 20hz per parameter
  • Intuitive set up software (PC based with USB connectivity)
  • Interchangeable faceplates and bezels
  • No free air calibration required—ever
  • Data analysis using AEMdata software
  • AEMnet compatible
  • Standard 52mm gauge size

(*Please see important information regarding using the RPM input for the Wideband Failsafe Gauge on the "Specs" tab)

After the engine is tuned and a safe operating window of AFR is established, the Wideband FAILSAFE Gauge continually monitors AFR and boost or vacuum to make sure that AFR does not fall out of the defined operating window at a given boost or vacuum level. If the Wideband Failsafe detects an out of range AFR reading, the gauge triggers a low side output (ground signal with a 1.5 amp draw max) that can save your engine from catastrophic damage (see example strategies, below).

Use the gauge’s intuitive software to configure the low side output, create a user-adjustable time delay strategy to prevent false alarms, and customize the gauge lighting to flash and alert the driver if an alarm is triggered.

After the engine is tuned and a safe operating window of AFR is established, the Wideband FAILSAFE Gauge continually monitors AFR and boost or vacuum to make sure that AFR does not fall out of the defined operating window at a given boost or vacuum level. If the Wideband Failsafe detects an out of range AFR reading, the gauge triggers a low side output (ground signal with a 1.5 amp draw max) that can save your engine from catastrophic damage (see example strategies, below).

Use the gauge’s intuitive software to configure the low side output, create a user-adjustable time delay strategy to prevent false alarms, and customize the gauge lighting to flash and alert the driver if an alarm is triggered.

Contact Us Now to Speak with one of our Professionals in High Performance!
PHONE: (586) 294-4404
FACEBOOK: @FullThrottleSpeed
E-MAIL: steve@fullthrottlespeed.com

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