Hi group,i have this 1997 olds. silhouette that after it gets warmed up,about eight miles,at around 65 mph it starts bucking like a trotting horse,with the tech 2 hooked up you can see all the cylinders miss fireing when this [...] long term fuel trim goes to ...

FIX posted 11/17/2004

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle