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unreported misfire at idle

02bluegtss

New member
Hey everyone,

here are the details : 02 gp with the ssm90 3.8 pulley, tb spacer, zzp stage 1 tb, fuel logs, autolite 103's, zzp 10.2mm wires, zzp 2.5" downpipe with high flow cat, k&n cai.

my issue: every once in a while, not all the time, i will come to a stop and the car will be idling. i will get what feels like a misfire, some of my passengers have even commented on it, above idle everything is ok. Now with a scan tool there are no codes reported.

does anyone have any ideas? kind of annoying when your sitting in the car

thanks

Mike
 


X2, mine did the same till I started tuning myself. You really need a Plog for that 3.8 pulley. Id just get headers since you have that tiny downpipe aswell.
 


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