i think i got a vacum leak on 2001 Ford Excursion

i replaced pvc valve beacuse truck was hesitating a little took away 90% of problem hit on the free way into over drive starts a little sputtering kind of like jerking i was perfect on drive & while im driving

by in Corpus Christi, TX on February 19, 2012
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1 answer
ANSWER by , February 11, 2013
Sounds like a classic type a misfire from the ignition coil/s. I've replaced thousands of these coils over the years.You'll need to get it scanned to find out which cylinder is causing the problem.