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Thread: AFR While Off Throttle (Coast)

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  1. August 13th, 2009 #1
    tatasta
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    Default AFR While Off Throttle (Coast)

    1999 A4 Trans Am, stock bottom end, H/C/I w/TR224-112, 3400 stall

    Currently running COS5 in OLMAF.

    AFR is running very well in all areas except when I let off the throttle and the car is coasting.

    The AFR goes right to ~12.5:1 when throttle is closed.

    I attached my tune and a piece of log file for reference.

    Thanks
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    1999 Trans Am - P&P LS6 Heads - TR224-112 - Procharger P1SC - Performabuilt Lvl 2 4L60E w/ 2800 Billet Stall - 9" Inch w/ 3.70s - LS6 Intake - Mac Mids - ORY - Gibson Catback - Suspension, Drag Radials, A bunch of Other Stuff
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