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What is causing your 05 explorer sport trac with a 4.0l v6 to studder only at idle?
Wiki User
∙ 12y ago
check the idler pully is not siezed start the truck and have someone give it a little gas or reach under the trottle body and pull on the linkage to the trottle body to give it fuel watch the idler pully should move a bit to tighten or loosen the belt and all ...if ideler pully seized the idel of the truck will sputter ,,,,,
could also be a bad spark plug with i had on my 2004
causing the truck to miss fire on one cylinder ,, which was more noticeable at low idle
Wiki User
∙ 12y ago
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