Hey, my friend has a 04 SRT-4 neon and it has a few mods like GT35R with a mopar cold air intake, aftermarket fuel rail with 1000cc injectors and also a large front mount. Well all of a sudden lately it has developed a sputter at cruising speed or when your just a little on the gas in any gear. Well the plugs have been changed and gapped and the plug wires are fine. I can watch the wideband when it starts to sputter but nothing changes. I also looked at the graph on the S-AFC and it shows the throttle line jumping up and down. Does anyone have any insight to this problem?