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intermittent fuel cut/misfire bucking?

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Old 04-07-07, 09:39 AM
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pistons are for sissies

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Question intermittent fuel cut/misfire bucking?

So after a lil cruise to Fredricksburg and back from NoVA (about 45 - 50 min each) most of which was on I-95 my FD was running great after a recent oil change and fresh plugs (stock nkgs). Boost was perfect the whole time. I was getting off the highway and i punched it to get past someone merging onto it and all the sudden I start bucking like hell until i get off the gas (this is coming out of 2nd). I'm baffled, my plugs are in order, i didn't spike, had 3/4 a tank, and it ran fine the time i was playing on the highway. WTF?!?
Old 04-07-07, 10:10 AM
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Bad gas?

I'd stay out of the heavy boost until you at least pass that one tankful, just to be safe..

Dave
Old 04-07-07, 08:21 PM
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still 1.3 liter v8 eater

 
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Originally Posted by cld1000
So after a lil cruise to Fredricksburg and back from NoVA (about 45 - 50 min each) most of which was on I-95 my FD was running great after a recent oil change and fresh plugs (stock nkgs). Boost was perfect the whole time. I was getting off the highway and i punched it to get past someone merging onto it and all the sudden I start bucking like hell until i get off the gas (this is coming out of 2nd). I'm baffled, my plugs are in order, i didn't spike, had 3/4 a tank, and it ran fine the time i was playing on the highway. WTF?!?
did you happen to see at what RPM range this "bucking" happened at?
Old 04-07-07, 08:25 PM
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pistons are for sissies

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around 4500-6000 RPMs what are your thoughts, should i run colder plugs with my current mods(see sig)?
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