Krzykidd64 Posted July 29, 2011 Report Share Posted July 29, 2011 Just found this site and already learned a whole lot. i bought my friends 95 grand prix for $500 with the intent to fix it up. now i need to figure out the slow acceleration. Quote Link to comment Share on other sites More sharing options...
urbex Posted July 29, 2011 Report Share Posted July 29, 2011 Welcome to the site!!! Quote Link to comment Share on other sites More sharing options...
Garlandjc Posted July 29, 2011 Report Share Posted July 29, 2011 Welcome to site:) And does it sound like your not running on all pistons? Plz give more info. and ill try my best to help Quote Link to comment Share on other sites More sharing options...
Krzykidd64 Posted July 29, 2011 Author Report Share Posted July 29, 2011 thank you! its running on all cylinders...just slow. i talked to my g.p. friend and he told me it might be the cam position sensor, idle air control vavle and the tps. i changed the modulator valve and gained some acceleration back but its still lacking. it just takes forever to get up to speed. as of right now my hyundai accent blows the doors off of it in a race...lol Quote Link to comment Share on other sites More sharing options...
emb1230 Posted July 29, 2011 Report Share Posted July 29, 2011 Cat converter could be plugged up. Quote Link to comment Share on other sites More sharing options...
Krzykidd64 Posted July 29, 2011 Author Report Share Posted July 29, 2011 thats what my grandpa thought so i drilled a hole in the exhaust just before it. it seemed to be almost normal but its still lacking. and just to be sure i drove my friend's brother's lumina to compare the 2. the lumina put me in my seat which is what i hope the grand prix is supposed to do...lol Quote Link to comment Share on other sites More sharing options...
Z34guy Posted July 29, 2011 Report Share Posted July 29, 2011 engine? 3.1? 3.4? Quote Link to comment Share on other sites More sharing options...
Krzykidd64 Posted July 29, 2011 Author Report Share Posted July 29, 2011 3.1 automatic Quote Link to comment Share on other sites More sharing options...
94 olds vert Posted July 29, 2011 Report Share Posted July 29, 2011 Welcome! Quote Link to comment Share on other sites More sharing options...
runt Posted August 2, 2011 Report Share Posted August 2, 2011 I would start by cutting the cat out if you can and replace with either a straight pipe or some type of resonator or another cat. Welcome to the boards! Quote Link to comment Share on other sites More sharing options...
Krzykidd64 Posted August 13, 2011 Author Report Share Posted August 13, 2011 thanks for the welcomes...i know i'm a little late on the reply but there is no cat on it...the p.o. cut it out and put a glasspak and a cherrybomb muffler in place of it. i'm thinking it has something to do with the trans so a fluid and filter change are at the top of the list. Quote Link to comment Share on other sites More sharing options...
AMP Posted August 13, 2011 Report Share Posted August 13, 2011 Welcome to the site. Quote Link to comment Share on other sites More sharing options...
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