Lets talk about my KR (update 11-28) - Page 6 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 11-24-2007, 12:08 AM   #51
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I will. Hopefully tomorrow afternoon.
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Old 11-24-2007, 03:31 AM   #52
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Did he increase fueling with the chip, or just remove timing? If it'* a fueling issue (which is what I've been saying) then removing all the timing in the world won't help a thing. What exactly did he change?
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Old 11-24-2007, 12:04 PM   #53
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Well on my request form and in my email to him, i told him to increase fueling because that is what we believed it was. I sent him the chip and he sent it back. He sent me an email stating when i put it in to send him a email back because he had token away timing in key areas to narrow down the problem. I am going to send him an email again today, since it looks like i can go test the chip today, and i am going to ask him if he added fuel.
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Old 11-24-2007, 12:11 PM   #54
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He is registered here under the username Darth Fiero. Give him a link to the topic. He can get the big picture better that way.
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Old 11-24-2007, 01:03 PM   #55
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I linked it to him, when it was first started. I believe he read through it all. Maybe i will send it again.
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Old 11-24-2007, 02:29 PM   #56
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Just grabbed a quick scan.


IPWs were 22 the whole time
Timing was in the negatives just about the whole time, but saw as much as 1 degree
KR was around 10-12. Hit 14, one time.
O2'* were in the LOW 700'* and even went into the 600'*. I believe it has to be a fueling issue. Those O2'* scared the SH*T out of me.
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Old 11-24-2007, 02:35 PM   #57
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Remind us again what your fuel pressure is?
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Old 11-24-2007, 02:40 PM   #58
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I believe it was around 48 psi last time i checked it.
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Old 11-24-2007, 02:43 PM   #59
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Under what conditions?

What is it with key on, engine off (repeat 3 times) prime?

What is it at idle?

What is it at idle with the vac line pulled off?





We need all 3 numbers. In addition, if that pressure is good, I'm going to begin suspecting either your O2 or your scantool. Does your exhaust smell rich at idle? Have someone follow you while driving. Does it smell rich to them?
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Old 11-24-2007, 02:53 PM   #60
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I will test all three ways. And get back to you on it.


It maybe the O2 and wouldnt hurt to change it, i guess.

I know it isnt the scan tool lol, i can feel the KR and loss of timing. Trust me, it is noticable. It goes from pulling to nothing lol.


I could have somebody follow me and smell if it smells rich. I dont notice anything at idle. But i did notice that it smelled very very hot after doing a few runs and scanning. I have never noticed it before but i did today.
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