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Check Engine Light After Exhaust Install

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Old 03-13-2008   #1 (permalink)
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Default Check Engine Light After Exhaust Install
I finished an installation of the pypes off-road x-pipe on my 98 gt. This eliminated all the catalytic converters. I put MIL eliminators on the two downstream 02 sensors. Do i need MIL eliminators on the upstream ones also? The check engine light is on. Plus its running rich-smelling-im assuming this may be because of no more catalytic converters? The car runs and idles perfect btw. Any insight would be great!
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1998 GT black
Flowmasters on Pypes Off-Road X-pipe
Steeda Double Hook Clutch Quadrant, Firewall Adjuster and Adjustable Cable, King Cobra Clutch
Eibach Pro-kit, Mach 1 tokicos
Steeda Tri-Ax Shifter, BBK UCA's & LCA's, All polyurethane bushings and isolaters

"I don't know which is louder...my exhaust or my stereo..."
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Old 03-13-2008   #2 (permalink)
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You might need a custom tune..
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Old 03-14-2008   #3 (permalink)
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can you tune a stock computer? Or do i require a programmable chip?
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1998 GT black
Flowmasters on Pypes Off-Road X-pipe
Steeda Double Hook Clutch Quadrant, Firewall Adjuster and Adjustable Cable, King Cobra Clutch
Eibach Pro-kit, Mach 1 tokicos
Steeda Tri-Ax Shifter, BBK UCA's & LCA's, All polyurethane bushings and isolaters

"I don't know which is louder...my exhaust or my stereo..."
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Old 03-14-2008   #4 (permalink)
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Default Yes you can..
Yes there are tuners for the stock computer. Diablo is one. However I dont personnaly have a custom tune so I'm not the expert. I'm sure there are many members here who are though.. I was thinking in the future of getting a cold air intake, that requires a tune also. Check the many threads in the Tech catagories, am sure you'll find some info..
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2008 Torch Red V-6 4.0L Coup'e (Lil' Red Sally, adopted 11/03/07)
See my profile and gallery for Sallys many mods if interested...

"It ain't nothin' but a bunch of low-life white trash drinkin' too much cheap alcohol..."
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Old 03-17-2008   #5 (permalink)
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I got the engine code for it- EGR insufficient flow....popped the hood and the vacuum line was broken. Replaced that in the parking lot, cleared the code-no worries so far-im about 200 miles in.
Thanks!
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1998 GT black
Flowmasters on Pypes Off-Road X-pipe
Steeda Double Hook Clutch Quadrant, Firewall Adjuster and Adjustable Cable, King Cobra Clutch
Eibach Pro-kit, Mach 1 tokicos
Steeda Tri-Ax Shifter, BBK UCA's & LCA's, All polyurethane bushings and isolaters

"I don't know which is louder...my exhaust or my stereo..."
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Old 03-18-2008   #6 (permalink)
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Cool Alrite!
Glad it worked out for you..
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See my profile and gallery for Sallys many mods if interested...

"It ain't nothin' but a bunch of low-life white trash drinkin' too much cheap alcohol..."
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