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Thread: Hesitates, no power, stumbles, runs sh*t rich

  1. #21
    Still not running right yet?!? damn u need a hand with anything let me know
    2000 Camaro - Cam only on a diet 11.38 @ 120

  2. #22
    Still not running right.

    Can someone check another thing for me on their predator? The reading should be about 1/2 way down under "fuel"

    Check the Throttle position mode, at idle mine has a "?", at part throttle it says "WOT" and when I go WOT it says "P/T"

    Could someone please check this out on their car for me? Thanks guys.
    Black 06 R1

  3. #23
    SCS Addict Stangman701's Avatar
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    That sounds like it might be part of the problem. I'll try to remember to check mine at lunch time
    2015 Charger Hellcat
    2.4" upper pulley, ID1300 injectors, BAP, E85 tune, Cat Delete Pipes, One Piece Drive Shaft, Diff Brace, 305/35/20 555R's for the street and 305/45/18 MT ET Street R's for the track. 9.97@142 Best ET

    85 GT
    Heads and Cam plus other bolt ons

    73 F250
    Lifted, 35's, 460 4spd

    Real name = Ray


  4. #24
    Thanks man!

    -UPDATE-
    Just to put things in a little better perspective, Im going to try to explane what I think is going on. Keep in mind I still have NO clue whats causing it.

    So, the cars running shit rich. All 8 plugs are black, so there is my physical proof. Both O2's are pegged at .9x at idle, and the fuel trims are both at -25% at idle. This means that the O2's are reading the rich condition, and are telling the computer to pull fuel.

    According to my predator, there is no indication that the computer thinks there is a load on the engine. MAFv is low, LOAD is at 17-20% at idle which I was told is normal, TPS is at .99(even though the TP mode says "?" which hasen't been sorted out yet) fuel pump duty cycle is low, and the FRP is at 38-39.

    SO lets say all the sensors are reacting/reading properly. Could the computer by acting up and sending the wrong signal to the injectors causing a rich condition? Doubt it, because the computer was replaced.

    Vac leak? I can't see how. Its my understanding that a vac leak would cause unmeasured air to enter the system, causing the o2's to read a lean condition, which would then show the fuel trims adding fuel to compensate, my symptoms are the opposite.

    EGR is gone, and the EVAP hose has been removed from the blower. Neither have helped.

    So thats where Im at right now. I've ruled out just about every sensor on the car, and can't think of any other mechanical situations that could cause this...
    Black 06 R1

  5. #25
    SCS Addict Stangman701's Avatar
    Join Date
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    I just checked it man, mine says the same thing... the search continues
    2015 Charger Hellcat
    2.4" upper pulley, ID1300 injectors, BAP, E85 tune, Cat Delete Pipes, One Piece Drive Shaft, Diff Brace, 305/35/20 555R's for the street and 305/45/18 MT ET Street R's for the track. 9.97@142 Best ET

    85 GT
    Heads and Cam plus other bolt ons

    73 F250
    Lifted, 35's, 460 4spd

    Real name = Ray


  6. #26
    I like hair dryers Twin01cobra's Avatar
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    I'd maybe check for a broken wire or maybe a wire is shorting out somewhere. Just a thought.
    "No man is entitled to the blessings of freedom unless he be vigilant in it's preservation"

    General Douglas McArthur

  7. #27
    Quote Originally Posted by Stangman701 View Post
    I just checked it man, mine says the same thing... the search continues
    Man, thats the LAST thing I wanted to hear... Thanks alot though man, I appreciate it.

    As for a shorted, damaged wire, how can I check for this?
    Black 06 R1

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