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Re: stumbling/misfiring at 2500-3000 rpms
throttle movement isn't much, maybe an 1/8th movement, usually in the 1/4 throttle to 1/2 throttle range. i don't think its a vac leak otherwise i think i would be seeing other symptoms like increased idle. could possibly be an egr valve, its the one on the back side of the intake behind the tbi right?? i don't know where the tps is. one thing that i just remembered was it's been throwing codes at me at least once a week, but once i shut the truck off it goes away for about a week or so, but monday-wednesday it thew codes all 3 days. i haven't had time to go have the codes read since being put on nights. could it be an O2 sensor??
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ERROR 404....... SNAPPY COMEBACK NOT FOUND 
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-60 Chevy C10, dead 350/good th350 combo, sitting on a 76 c10 blazer frame, built from 11 different vehicles "the abomination"
-07 gmt900 silverado 1500 lt xcab z71, granite blue
-81 suzuki gs650g "shelah"- current project
-81 kz1000m1 csr "sarge" -next project (just beautification)
-07 kawasaki vulcan classic vn900
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