LS-vtec rinning shitty

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04-15-2007, 10:18 AM

EK FLY

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LS-vtec running shitty

sorry for the title , lol

93 cx hatch using 94 ex harness

b18b1 , 1 gen b16 head

problems:

car runs rough , missfiring all over the place from btween 2k to 6k rpm

we check map and tps sensor to see if they where wrong and no they are good
connected , replaced brand new ngk plugs and gap them to manual spec new spark plug wires , try 3 different dizzy's, 3 different ecu's , I ran out of idea

ps: I check the timing and its good and we even did a compression test and they are all good

help plz thanks

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04-15-2007, 11:16 AM

dude_123

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Re: LS-vtec running shitty (super-hatch)

What ECU are u running?...Well the best answer to ur problem is get it tuned.

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04-16-2007, 06:18 AM

high_revs

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its not a tune issue if there is a missfire....what cylinder is not firing?

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04-16-2007, 08:08 AM

EK FLY

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Re: (h2b_eg8)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dude_123 »</TD></TR><TR><TD CLASS="quote">What ECU are u running?...Well the best answer to ur problem is get it tuned.</TD></TR></TABLE>

p72 usdm, p28, p72 jdm

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by h2b_eg8 »</TD></TR><TR><TD CLASS="quote">its not a tune issue if there is a missfire....what cylinder is not firing?</TD></TR></TABLE>

how do I find out ?

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