Contour Enthusiasts Group Archives Forums Modifications 3.0L Duratec ?Help tracking down the stuttering problem....Long...

BlackCoog & svtavino,

The post I placed just before this contains the latest data so far on trying to TS this problem really. Alot of us, esp with 2000 v6's have had this low-mid rpm stutter with moderate-agressive throttle-positions. It seems changing plugs/wires/fuel filter/cleaning MAF/switching to stock paper filter-box/etc does nothing and the only wierd evidence (?) is the massive spark-retard (all way to -1; no knock showing at all either) when pressing throttle position (~36%+) in the rpms of ~~1900 to 3300 approx, in any gear (after about 3300 rpm to redline it doesnt seem stutter). It really sucks when your just cruising at about 42mph in 4rth gear and you want to gently speed up to 45 lets say (to move along with the solid traffic flow) and you stutter like a ***** when you get the throttle position around 36% or more. I can be going about 65mph on the freeway in 5th gear and it stutters when I do the same thing - gently press the accelerator trying to speed up to like 70 from 65. Any of this sound familiar? Well, like I said Ill shoot anything I find to the CEG and this post esp.