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PowerAid TBS
anyone use this throttle body spacer? http://www.central4wd.com/category.aspx?page=id%7C5382 I was wondering if it does help, since there's quite a few hills in my area. I guess I'm just skeptical until I know or hear of someone that has one and likes it. '99 expy 5.4- phatbak
- Thread
- Replies: 3
- Forum: Engine & Performance
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Trouble code P0304
anyone know what would cause cylinder 4 misfire? injector? spark plug? EDIT: sorry, '99 Expedition, 5.4, 82k miles- phatbak
- Thread
- Replies: 5
- Forum: Transmission & Drive train
