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  1. #1
    Established Member Two Rings
    Join Date
    Mar 08 2015
    AZ Member #
    319319
    Location
    Alaska

    APR Stage 3 fuel trim issues

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    I am having some issues trying to resolve some abnormally high log term fuel trims. They are consistently around +10%.I have check and tested about everything I can on this car and have yet to find anything wrong so far. There are no codes or any drivability issues (but I am questioning how loosely APR sets code parameters). However, the car does have S3 injectors and not the ones provided by APR.

    Can anyone verify, with certainty, that these injectors are what APR provided with the kit? APR hasn't been even remotely helpful to this point.

    Thanks!

    Sent from my SM-G925I using Tapatalk

  2. #2
    Veteran Member Four Rings vce1232000's Avatar
    Join Date
    Jun 17 2013
    AZ Member #
    117368
    My Garage
    83 MK1 GTI Callaway Turbo stg II
    Location
    jersey city nj

    As far as I know OEM S3 injectors are the same as APR provides with their kits. The only difference is the Part#'s
    APR KO4, APR HPFP,RS4 LPFP Cntr,145 bar PRV, APR TP, TT DP, GFB DV+, AWE FMIC, BFI CC, AWE Exhaust, RS4 Exh tips, ST CO, 034 RSB,034 St Dnsty Mtr Mts, New Sth West Bst guage, B7 RS4 8 pot Calipers.Goodridge SS brake lines frt & rr. Hawk HPS frt & rr. RS4 PS rack, RS4 Servotronic Relay,RS4 rims. S4 mirror caps,DTM frt bmpr and rs4 fogs,LED tail lites
    S4 Recaro Front & Rear seats. Led Interior Kit,United LED's fog lites
    2007 A4 Avant 2.0T Tiptronic 6spd

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