2001 Ford E-Series Van Intake problem/bad acceleration

Tiny
LATINPOPEYE
  • MEMBER
  • 2001 FORD E-SERIES VAN
  • V8
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
2001 FORD/E-150/4.6L(V8)/90-K miles
Van stutters when accelerated between 25 and 45 miles per hour. Had 2 injector cleanings in the past 4 years. Improvement was noticed but, short lived.I notice that when I use a gas additive such as a 104 octane booster the car drives great. Regular gas is poor performance, mid grade slightly better, high octane works good. Had car checked by mechanics and no one knows what to do even when attached to a computer. Van drives great at high speeds over 50. Please help!
Thursday, December 18th, 2008 AT 9:53 PM

1 Reply

Tiny
RYZAN32
  • MEMBER
  • 4 POSTS
Have you checked the spark-plugs?
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Wednesday, December 24th, 2008 AT 6:07 PM

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