Wideband failsafe tuning – AEM 30-4900 Wideband Failsafe Gauge User Manual
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Wideband Failsafe Tuning
The following is a basic guideline strategy for configuring the Wideband Failsafe for the first time. The
ideal time to configure the Wideband Failsafe is while the vehicle is being dyno tuned. Ensure your
engine is fully functional mechanically before starting to configure the Wideband Failsafe!
1. In the Wideband Failsafe Configuration tab, click Clear Graph and Reset Limits to zero all settings.
2. If a boosted pressure scale is selected, there will be a pink triangular cursor on the left side of the
graph when the engine is in high vacuum, as shown below. The upper and lower limits for this high
vacuum area will use the lowest pressure (furthest left) breakpoint for alarm triggering.
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