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#1
08-13-2007, 06:47 PM
Hummer Professional
Join Date: Feb 2003
Location: Palm Desert, CA
Posts: 470
Re: Random/Multiple Cylinder Misfire Detected
Quote:
Originally Posted by IRA51
what code # is it throwing ? on a side note you could have gotten the Random tecnoligy cat to fit in the H2 without any problem ,and I hear they claim to be the freest flowing.
At first I got the po420, I replaced the driver side cat and then got the po430 and replaced the passenger side. No codes since.
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2003 H2 Hummer, Yellow,Polished Whipple Supercharged, Dynatech long tube headers, catback,18\" Ambush w/Toyo MT\'s,lots of goodies!
Y2K Corvette Millennium Yellow Convert/Blk/Blk, B&B headers, B&B Tri-Flo\'s, H-Tech MAG,GMS MAF, RM Racing TwinFlow.
1994 Chev Suburban Blown
1970 Trans Am balanced, blueprinted, ceramic headers, etc.
#2
08-13-2007, 11:40 PM
Hummer Expert
Join Date: May 2007
Location: PHOENIX AZ
Posts: 681
Re: Random/Multiple Cylinder Misfire Detected
have you checked to see if the headers havent burned the plug wires? old cheap skates way to check plug wires . get a spray bottle and spay the plug wires a night and start the truck if you see sparks the wires are shot . a DVOM will also work no water needed.
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