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09-23-2014, 02:59 PM
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#1
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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Odd drivability issue
Car: 2001 Camaro A4
Mods: Lid, longtubes, cam (232/234 617/598 112+2) SS3600 converter, 3.42 gears.
Car is tuned, idles fine sometimes then idle will drop on it's own after a few starts. While coming to a stop car will sometimes stall but no reason. Not a quick closure of the TB like coming from a burnout, slow driving then a stop.
Ideas?
__________________
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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09-23-2014, 03:30 PM
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#2
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^^^Lover of bad cars^^^ Meet Coordinator
Join Date: Aug 2007
Location: Whitehouse Station
Posts: 2,260
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check your IAC for some carbon buildup
__________________
1986 Honda VFR750 - 89.3HP to the wheel
2000 Trans Am M6 - Mods: Yes.
2018 Durango R/T - AFE Intake, JLT Catch Can, Stainless Works Catback, Vinyl Dodge Racing Stripes
2003 Toyota Matrix XRS M6 - Lol
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09-23-2014, 04:04 PM
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#3
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Join Date: Jul 2006
Location: unknown
Posts: 2,776
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Vacuum leak is my idea, my PCV hose had a hole in it that goes into the throttle body.
__________________
2000 Pewter Trans am, M6, SLP Lid,LS6 intake,Kooks 1 7/8" Long tube header,Classic Chambered Powersticks, hurst,off road X-pipe, Strano springs & Koni's, Monster level 2 clutch, HPtuners wide band tuned and a homemade ram air box sealed off.
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09-23-2014, 04:11 PM
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#4
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12 Second Club
Join Date: Nov 2004
Location: Haddon Twp NJ
Posts: 2,213
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My 98 did that because the egr valve was bad. But 2001 I don't think came with egr
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09-23-2014, 05:43 PM
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#5
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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01 have no egr.
pcv system was removed and changed to an ls6 valley cover.
swapped iac from another car in and same issue.
__________________
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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09-23-2014, 06:13 PM
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#6
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^^^Lover of bad cars^^^ Meet Coordinator
Join Date: Aug 2007
Location: Whitehouse Station
Posts: 2,260
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pull TB off and clean out the IAC passages... also +1 to check for vacuum leaks as well.
__________________
1986 Honda VFR750 - 89.3HP to the wheel
2000 Trans Am M6 - Mods: Yes.
2018 Durango R/T - AFE Intake, JLT Catch Can, Stainless Works Catback, Vinyl Dodge Racing Stripes
2003 Toyota Matrix XRS M6 - Lol
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09-23-2014, 06:18 PM
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#7
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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smoke tested car and found no leaks anywhere
__________________
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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09-23-2014, 09:38 PM
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#8
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Stalker
Join Date: Aug 2004
Posts: 12,077
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vss signal good? ted just had a stalling issue when stopping, well at least idle drop. and that's what his problem was. worth a shot..
Last edited by V; 09-23-2014 at 09:38 PM.
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09-24-2014, 07:53 AM
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#9
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Join Date: Jul 2006
Location: unknown
Posts: 2,776
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Another idea, computer is bad.
__________________
2000 Pewter Trans am, M6, SLP Lid,LS6 intake,Kooks 1 7/8" Long tube header,Classic Chambered Powersticks, hurst,off road X-pipe, Strano springs & Koni's, Monster level 2 clutch, HPtuners wide band tuned and a homemade ram air box sealed off.
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09-24-2014, 07:53 AM
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#10
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^^^Lover of bad cars^^^ Meet Coordinator
Join Date: Aug 2007
Location: Whitehouse Station
Posts: 2,260
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My next guess is hook up a scan tool and watch it when it stalls. Also, just clean the throttle body/IAC passages anyway  lol doesn't hurt to do it!
__________________
1986 Honda VFR750 - 89.3HP to the wheel
2000 Trans Am M6 - Mods: Yes.
2018 Durango R/T - AFE Intake, JLT Catch Can, Stainless Works Catback, Vinyl Dodge Racing Stripes
2003 Toyota Matrix XRS M6 - Lol
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