Originally Posted by bigbugman

just giving an update, I believe I have fixed my truck. I found it would only die and act up when sitting in gear, such as at a stoplight. Ordered a set of coils off ebay and installed them with new plugs. This made no difference. Hooked up my diagnostic scanner and found when it would start sputtering the speed the computer see's would start going haywire, but the speedo would not move. This could only mean the oss. Checked wiring harness and performed flow chart per ford manual. found oss ohmed out of specs. Replaced the oss tonight along with two new oxygen sensors, they looked old. Drove home and it acted fine. So far so good, I'm keeping my fingers crossed.