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    Quick Links: Gates Racing OEM Serpentine belt replacement for 1GR Exhaust Differences Considering new exhaust So now comes performance mods. Exhaust Seafoam question

AEM WB AFR gauge problem

Discussion in 'Performance and Tuning' started by ROMYER8313, May 28, 2014.

  1. May 28, 2014 at 5:20 PM
    #1
    ROMYER8313

    #1
    ROMYER8313 [OP] Active Member

    Joined:
    Nov 18, 2012
    Member:
    #91414
    Messages:
    33
    Gender:
    Male
    First Name:
    robert
    medford oregon
    Vehicle:
    08 sport package
    supercharger, 3inch lift, Doug thorley long tube headers and Magnaflow pro series off road exhaust. urd 2.55 pulley, ucon ems, upgraded urd fuel pump, urd seventh injector system, 61lb mulit-fuel fuel injectors, and AFE cai.
    so here is my problem, when i start the truck and it is just sitting the gauge is reading fine, but when i start to go it is jumping all over the place.
     
    ROMYER8313, May 28, 2014
    #1
  2. May 28, 2014 at 7:13 PM
    #2
    BLOODYMARY

    #2
    BLOODYMARY Well-Known Member

    Joined:
    Jul 6, 2013
    Member:
    #107733
    Messages:
    520
    Gender:
    Male
    First Name:
    Keith
    Tulsa, OK
    Vehicle:
    2012 Tacoma Double
    AFE Exhaust, AFE Panel Filter
    Its trying to calibrate. Where is your bung located?
     
    BLOODYMARY, May 28, 2014
    #2
  3. May 28, 2014 at 7:29 PM
    #3
    kigmob

    #3
    kigmob Well-Known Member

    Joined:
    Jul 18, 2012
    Member:
    #82906
    Messages:
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    Gender:
    Male
    First Name:
    James
    New Orleans
    Vehicle:
    97 TRD S/C 4x4 V6 5spd
    ICON/TC TRD Supercharger URD 2.2 and 7th
    How much is "all over the place"? Mine bounces around between 14.2-14.8. This is normal. Your ECU is constantly trying to hold the AFR at 14.7 by trimming the fuel. Widebands are very accurate and the response time is quick. Therefore your readings will bounce around some.
     
    kigmob, May 28, 2014
    #3
  4. May 31, 2014 at 10:55 AM
    #4
    Torspd

    #4
    Torspd Tor-nication

    Joined:
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    Tor
    The Great America!
    Vehicle:
    MMVI 4.4L 4x4 Access Cab
    Torspd Custom Turbo kit [] Borg Warner 9180EFR Turbo [] Haltech Elite 2500 [] TiAL Q BOV [] TiAL V44 Wastegate @ 15psi [] CP Pistons [] CP Carrillo Rods [] ARP Head studs [] ARP Main Studs [] ARP Header - Head Studs [] Ported Heads w/ 1mm oversized valves intake/exhaust [] Brian Crower Forged Stroker Crank [] Darton M.I.D. Sleeved Block [] Kelford Camshafts [] Torspd 160* T-stat mod [] APR Large Fuel Rail [] Walbro 460 LPH E85 Fuel Pump [] FueLab FPR [] APR T56 Conversion Kit [] KP RACING Built T56 [] McLeod Racing Custom Twin Disk Clutch [] One Piece Aluminum Driveshaft [] MGW Shifter [] Custom lowering kit [] Ohlins Front Coilovers [] QA1rear shocks [] Custom Ron Davis Radiator [] Dual SPAL Electric Fans []
    Where is it installed?
     
    Torspd, May 31, 2014
    #4
  5. May 31, 2014 at 3:59 PM
    #5
    Lord Helmet

    #5
    Lord Helmet Prepare To Attack

    Joined:
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    Nick
    Vehicle:
    '24 X3 M40i
    ditto
     
    Lord Helmet, May 31, 2014
    #5

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