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SportTrac Discussion
Engine & Drivetrain
New owner 07 V8 ST-tanny issues-advice
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<blockquote data-quote="A1cntrler" data-source="post: 1024778" data-attributes="member: 54815"><p>Mine did the same at about the same mileage. Thought it was Transmission. Only really noticeable at the speeds/rpm you mentioned, and on the highway under light acceleration (cruise control at set speed for instance) I replaced the coil packs and the problem resolved itself. You're close to the time to change plugs too. I'd get that done before changing coils to see if that helps. (If you're doing it yourself, get the tool to remove broken ones before you start). I called around and asked mechanics if they had experience with te 2pc plugs and removing them. The guy I took mine to (at 104k I think it was) didn't break a single plug, but I only run good gas and regular synthetic oil changes. Probably keep the carbon build up issue to a minimum. I've had mine since it had 21 miles on it, so I know what kind of care it has been given.</p><p></p><p></p><p></p><p>Edit: I see you've already done that as I read further down. I replaced mine with Accel Coil packs (from Amazon, best price I could find on a full set).</p></blockquote><p></p>
[QUOTE="A1cntrler, post: 1024778, member: 54815"] Mine did the same at about the same mileage. Thought it was Transmission. Only really noticeable at the speeds/rpm you mentioned, and on the highway under light acceleration (cruise control at set speed for instance) I replaced the coil packs and the problem resolved itself. You're close to the time to change plugs too. I'd get that done before changing coils to see if that helps. (If you're doing it yourself, get the tool to remove broken ones before you start). I called around and asked mechanics if they had experience with te 2pc plugs and removing them. The guy I took mine to (at 104k I think it was) didn't break a single plug, but I only run good gas and regular synthetic oil changes. Probably keep the carbon build up issue to a minimum. I've had mine since it had 21 miles on it, so I know what kind of care it has been given. Edit: I see you've already done that as I read further down. I replaced mine with Accel Coil packs (from Amazon, best price I could find on a full set). [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
New owner 07 V8 ST-tanny issues-advice
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