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03-28-2009, 10:13 AM
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#1
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12 Second Club
Join Date: Sep 2004
Location: Paramus
Posts: 898
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rough idle on T/A
ok so i went to island last night and tested my new turbo for the 1st time. i get about 4 passes down the track and after that my car started idleing a little rough. i gave it a rest and retried another run and the 1/4 mile times just started getting horrible. it ran crappy the whole way home and popped a code but it was for one of the oxygen sensors. i feel like it might be a missfire but im not seeing any codes to indicated one. my other thought is a vacume leak but on my first look didnt notice anything out of place. im going to check each plug & wire later today to rule those out but does anyone have any other ideas? the car is a 98 ta with an sts turbo kit running 7 lbs of boost
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03-28-2009, 10:17 AM
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#2
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,620
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If its a composite intake... a possible crack on the backside from the boost?
__________________
1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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03-28-2009, 04:43 PM
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#3
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12 Second Club
Join Date: Sep 2004
Location: Paramus
Posts: 898
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i hope not
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03-29-2009, 07:58 PM
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#4
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Join Date: Feb 2005
Location: Orange County NY
Posts: 579
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How was ur a/f during the run? Pull the plugs see how they look. I whould do a compression and leak down test. Shoot me a pm We can diagnose it for ya if you want.
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2000 Camaro 25.5 Turbo car  X275
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03-29-2009, 08:50 PM
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#5
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10 Second Club
Join Date: Aug 2005
Location: lake hopatcong
Posts: 331
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reading the plugs now isnt going to give u any answers, to read a plug the right way u need to shut the car down immediately after u cross the stripe, pull over and rip one out.
also if u think there is a possibility u cracked ur intake, try spraying carb clean around the mani and see if u get any variation in rpm.
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TMR performance
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03-29-2009, 08:59 PM
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#6
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12 Second Club
Join Date: Sep 2004
Location: Paramus
Posts: 898
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good idea with the carb cleaner my weekends been way 2 busy so im going to try diagnosing it tomorrow
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03-30-2009, 06:43 AM
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#7
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Join Date: Feb 2005
Location: Orange County NY
Posts: 579
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the reson to chek the plugs is with a bad tune up he could have melted a plug ive seen it on a few car with not so great tune ups.
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2000 Camaro 25.5 Turbo car X275
Last edited by 1984camaroz28; 03-30-2009 at 06:44 AM.
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03-30-2009, 09:13 PM
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#8
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12 Second Club
Join Date: Sep 2004
Location: Paramus
Posts: 898
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03-31-2009, 04:07 PM
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#9
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Keyboard Tough Guy
Join Date: Jul 2004
Location: Trenton, NJ
Posts: 6,341
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What code popped? do you have a scanner that can scan the o2 sensor in question to see what its doing?
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03-31-2009, 05:43 PM
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#10
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12 Second Club
Join Date: Sep 2004
Location: Paramus
Posts: 898
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ive got hp tuners i could take it for a drive and see what that code was that kept poping up
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03-31-2009, 08:50 PM
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#11
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12 Second Club
Join Date: Sep 2004
Location: Paramus
Posts: 898
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ok so it was the back left injector plug
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04-01-2009, 12:21 AM
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#12
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BadMod
Join Date: Aug 2004
Location: hamilton, nj
Posts: 8,889
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fell off?
__________________
So much stupid, so little time.
Quote:
Originally Posted by 79CamaroDiva
It started before I drove your car. I just have to look at it the wrong way and your car poops parts.
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Mercerville MotorSports, LLC
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04-01-2009, 03:24 PM
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#13
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12 Second Club
Join Date: Sep 2004
Location: Paramus
Posts: 898
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i was un plugging them to start tearing into the engine and im like wait i didnt unplug that 1 yet so i put them all back on and she fired right up
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04-01-2009, 03:26 PM
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#14
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BadMod
Join Date: Aug 2004
Location: hamilton, nj
Posts: 8,889
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sweet got lucky on that one.....
__________________
So much stupid, so little time.
Quote:
Originally Posted by 79CamaroDiva
It started before I drove your car. I just have to look at it the wrong way and your car poops parts.
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Mercerville MotorSports, LLC
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04-01-2009, 06:11 PM
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#15
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12 Second Club
Join Date: Sep 2004
Location: Paramus
Posts: 898
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o yea i was like THANK YOU GOD!!!
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