Question about 2006 GMC Typhoon

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93 GMC Typhoon acting up

Well, here it goes. I own a 93 typhoon, and recently it started acting up. IT was like it was missing really bad. I changed plugs, wires, cap & rotor. Didnt change. While crusin 55mph its fine may miss even once in awhile. but when i give it some gas and the boost starts to increase, it gets shakey. boost jumps around. for a short sec it will straightin out and start pullin hard but then back to the crappy running. Also get smell of fuel in the cab. never notice that before. and also get some kinda burnt smell i guess not sure on that one. My thought might be a bad injector but not sure. Any help would be great as im not big on letting others work on my truck. thanks

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When you changed the plugs, I hope you used a copper plug. I found the AC Delco was the best for mine. The platnum plugs are very bad for turbo engine's. They heat up a glow like glow plugs and promote knocking, then your really going to have problems. Good luck.

Posted on Apr 06, 2009

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Hi i had the same problem with mine it sounded like it was miss firing but the air intercooler just before the intake was low on antifreez put some in there and it solved the problem another friend with a cyclone runs the radiator reservor and the upper intake reservour seperate it gets too hot and it made it knock and like the other guy said check all your plastick lines they come off easy everytime you run the car hard and let off the gas it seamed to blow the lines off we put zip ties at the end and it stopped doing it well this was my experiance i hope it helpes some i recommend getting a good air fuel meeter and check your harmonic balance too make sure its not cracked

Posted on May 18, 2008

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