ls1 Low rpm miss fire or stumble
04-09-2014, 04:59 PM
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ls1 Low rpm miss fire or stumble I have a 98 Z28 m6 lq4 swaped with all stock fuel system and I am having a low rpm miss fire or stumble it happens between 1000 1500 rpm and only after it has warmed up when it is warm a slight miss on start up it has 6k since swap 80k short block and 6k on msd streetfire plug wires e3 plugs new o2 sensors fuel pressure is 55 psi running, and not showing any codes the swap has been done for two years problem just started the other day . 
Last edited by Z28nut; 04-09-2014 at 05:30 PM. Reason: forgot to pu some information
