Quote:
Originally Posted by VEESIKS
What spark plugs are you running? I tried the E3 plugs and they gave me a number of misfire problems usually on cylinders 1 and 5 but randomly others too but then I switched to NGK Iridium plugs and no issues. Depending what mods you have you may have a leak somewhere causing vacuum issues? Also have you noticed a trend relating any of your issues to where you buy your gas?
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Just the OE ACDelco's. Right now the only mod I have is my catch can. Previously had only the airaid intake but took that off a few months ago. I can't find any leaks and neither could the dealership.
As far as the gas goes I haven't really noticed any difference between gas brands nor octane. Don't seem to have any improvement between regular/93 octane and such.