xxhrdcr4lifexx Posted June 20, 2009 Posted June 20, 2009 ok i have a 89 prelude si with the 2.0 pgm-fi dohc motor out of a 90 or a 91. im have this idle problem it'll idle but it sputters a bit like its running realy rich and or realy lean. also ive tried taking the control air valve out and cleaning and i put it back in tightened it down and did the whole 1/4 turn back, that made it worse. would idle but barely, til i hit the gas then the car just turned off. so i backed the screw all the way out and just put about 2 1/2 turns on it and it idles doesnt shut off but it idles at about 1,200-1,500 rpm, and it blows a whitish blue smoke out the tailpipe when at a higher rpm. (i put seafoam in the crank oil mayb thats why it does that not sure). any hlp on this problem would useful...
xxhrdcr4lifexx Posted July 5, 2009 Author Posted July 5, 2009 ok i fixed the sputtering and the smoking problem and the high idle. now i have a pulsing idle around 200-1k rpm... im thinking its a vacuum leak some where will check for a leak in a little bit. other than it might be the o2 sensors?
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