breaking up
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i have the same problem. but only at the track and above 5000rpms. i dont have a cam only full bolt ons. i see your in orlando as well.
ive checked a few things. but i keep ketting running rich codes. 12% + bank 1 and 2.
ive checked a few things. but i keep ketting running rich codes. 12% + bank 1 and 2.
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Thread Starter
Teching In
Joined: Apr 2007
Posts: 37
Likes: 0
From: orlando, fl
well like i said i got the car from tim sloper some may know i belive he is know on here but when i floor it is when it breaks up so i have been asking him to look at it but he is always busy so i am trying to fix it my self and i have never owned a chevy so i am lost.
TECH Apprentice
Joined: Feb 2005
Posts: 344
Likes: 0
From: fairfax
My car is doing the exact same thing, I have full bolt ons. Ive changed the maf and O2's and it still does it, I have no idea what it is. I logged some WOT pulls with HPT and when it started missing around like 5000 to redline i was getting 130% injector duty cycle, so I think maybe I have a dead/clogged injector? I need to get my *** in gear and fix this, its been like this for a while now. I have the logs saved if anyone wants to see em'.
I'd replace the plugs and look at the wires...It's possible you don't have them on all the way. My car did the same thing but I knew what it was since I swapped the wires the day before.
Are any of these tuned.
My first Cam swap I was untuned for a while and had similiar issues.
I was going through plugs and O2's same codes also.
Got it tuned all problems went away.
Just my .02
My first Cam swap I was untuned for a while and had similiar issues.
I was going through plugs and O2's same codes also.
Got it tuned all problems went away.
Just my .02
Administrator
Joined: Jan 2002
Posts: 45,841
Likes: 5
From: Earth
Get the car to a respectable shop and have the tune checked on the dyno.
Just a guess, but if your car is breaking up in the higher rpm range and
it's cam'd...the tune is probably jacked...if it was tuned at all after the
cam install.
Just a guess, but if your car is breaking up in the higher rpm range and
it's cam'd...the tune is probably jacked...if it was tuned at all after the
cam install.
