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#1
06-30-2005, 09:08 PM
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sluggish acceleration /good midrange/ good full trottle
1992 4.3 vortex cpi needs more low end take off. I have replaced tps,iat,mat,egr,o2,fuel pump,cap ,rotor,plugs and wires, It also has arcing from coil to intake
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#2
07-04-2005, 06:57 PM
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Re: sluggish acceleration /good midrange/ good full trottle
Are you sure the spark plug wires are on right? The coil arcing is not normal. Also might remove the EGR valve and look for a small carbon chunk in the little plug valve in it. A small leak in there can cause low speed problems, rough idle.
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