I just changed the plugs and wires less than 1000 miles ago. car runs fine until you try to accelerate using more than about 1/4 throttle if you do it starts to stumble and back fire at about 2500 and quits around 3000 rpm at which time it throws a p0306 (#6 misfire) code. Question is why just between 2500 and 3000?
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missing between 2500 and 3000 rpm
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If it were a coil pack he would have 2 cyclender misfires not just one. Check the wire and the plug. And did you use Delco Iridium plugs? If not pull them out and get the factory ones. Gm engines don't like plug changes, the dealer would change them out just to rule out the plugs.255/50R16 Tires, Pioneer Deck, Pioneer 4 Way speakers, PPI Amps, JL subs, Spec Stage 3 Clutch, Optima Yellow Top
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make sure that the wires didnt acidently touch the header or other hot part "already". and burn through.. or arent touching anything metal and grounded.1996 Dark Green V-6 auto. few mods.<br />previous rides:<br />1989 turbo 5 speed dodge caravan (18 PSI, 3\" exhuast,intercooled blah blah)<br />1989 Mustang GT (11.72 @118 many many mods, blown engine a.t.m. :-( )
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Re: missing between 2500 and 3000 rpm
exactly the same thing happened to me today and exactly the same way, and the same code (P0306), and just thought that maybe the plug was ****ed up...but still dont know... i will figure it out tomorrow
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Re: missing between 2500 and 3000 rpm
Originally posted by Smoke PantherCheck to make sure none of the wires are the least bit singed. Make sure they're wired the correct way.
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