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AEM 30-71XX Infinity Stand-Alone Programmable Engine Mangement System Full Manual User Manual

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Tuning Guide

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© 2014 AEM Performance Electronics

Lambda Feedback After-Start Delay:
Lambda feedback will be disabled for this many seconds after the engine is started.
Adjust this value to avoid performing feedback while the exhaust sensor may still contain
fresh air. If the engine begins running poorly when feedback turns on, try increasing this
value.
Min value = 0 seconds, Max value = 25 seconds

Lambda Feedback Max WallWetting:
Lambda feedback can be disabled for 750ms after a significant amount of WallWetting
has been added for acceleration fuel enrichment. Adjust this value to set the maximum
amount of WallWetting that should be allowed without disabling Lambda Feedback.
Min value = 2, Max value = 30

LambdaTarget Table Y-Axis:
The y-axis of the LambdaTarget table can be reassigned from the default setting of MAP
to use Throttle. This may be useful for naturally aspirated engines with very aggressive
camshafts, or other setups that do not pull a significant amount of vacuum when the throttle
is closed.