hey mate,
did allitle looking around for ya,
and people are talking about this "code 4" that doesn't come up on the ecu code list on www.g2ic.com/tegtips and naming it as a "CKP code"= Crankshaft position sensor , is your car in tune? have you had any aftermarket parts installed? adjustable cams?
some people said that there dissy was gone, or it was tuned to much retarded/advancement.
so yeah check that out man n c how you go aye