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Old 07-23-2006, 07:58 PM   #1
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JRSCBBK Installed Today

Well I finally finished it all up today. Im has having some issues though. First off I threw codes p0135 which is the 02 sensor which is fine i put in a rt hfc. Second is p1233 something with the fuel system. I think this is my major problem. The car drives all right in vaccum but once you try and get boost it starts bogging real bad. My a/f ratio goes from 2.8 to 4.5 which is very low. Im tryin to get a hold of wayne but you know how that is. Any ideas? everything is installed correctly, my guess is something with the fuel pressure in the tune.


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Old 07-23-2006, 09:35 PM   #2
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you can try and get ahold of oscar jackson over on FJ for any other problems, that and alot of the members there have some really good info. good luck and i hope you get it running good soon.
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Old 07-24-2006, 02:46 PM   #3
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I think my fuel pump took a crap. got it taken to the dealer itll be done tmorrow hopefully that fixes it
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Old 07-24-2006, 02:49 PM   #4
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Too bad hope it all works out.
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Old 07-24-2006, 04:58 PM   #5
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2.8 to 4.5??

Im not familiar with those numbers...Im used to 10 RICH to 17 LEAN.

...so, wayne dyno tuned your car? What are your numbers?
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Old 07-24-2006, 05:35 PM   #6
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Nope not dyno tuned. Just gonna datalog and get it as best as I can. So the lower the number means its rich or lean?
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Old 07-24-2006, 05:46 PM   #7
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Lower = Richer

It's AIR/FUEL. If the air stays the same and the fuel goes up the number gets smaller hence richer.
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Old 07-24-2006, 06:02 PM   #8
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So could my problem be that I am getting too much fuel and that is causing it to bog and drive bad? My spark plugs were a litlle dirty(meaning running rich) and I went through a lot of gas when I drove it a little yesterday. Im really confused now, either way im replacing the fuel pump tomorrow and we will see what happens.
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Old 07-24-2006, 06:23 PM   #9
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I think I figured it out. I think in my tune its giving it too much fuel pressure causing the fuel pump to overwork it self. My mechanic just took the old pump off and he said it was extremly hot and it shouldnt be. Also you know when you turn the ignition on and the fuel pressurizes and makes that noise. My noise sounds a lot different now.
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Old 07-25-2006, 01:25 AM   #10
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hm pina...when i first installed my jrsc bbk i had installed waynes base jrsc bbk tune....i had the same simptons that u r having with bogging when going into boost...like vacumn was fine for me also then when i wanted to go into boost it would pause like then it would sort of boost....i since sent in my ecu to ford racing and LOVE IT i absoutley love my car now and how it drives....i since also put back in my cat MUCH more enjoyable to drive! idle is perfect dont have my air/fuel hooked up yet i need to soon but i dont hear any deto car loves going into boost now....orp with the jrsc bbk begs for more power...i can feel teh clutch want to grab ALOT harder with the orp and almost feel like it wants to slip but with the stock cat in it feels like it did naturally asspirated and love my gas mileage again i got 270 to a full tank! almost all stop and go traffic and going into boost....i reccomend the ecu reflash if u ever have worries
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