running rough

118,000 MILES • 4.6L • V8 • 4WD • AUTOMATIC
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NICK RICHARD
  • MEMBER
  • 1 POST
my SUV is running rough. it seams to me it is more at a idle, but at one time it had a misfire on cylinder four well i more the coil from four to one and then cylinder six. i replaced that coil it seamed to get better. but not great. any ideas?
Jan 14, 2017 at 12:58 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scan for codes first see what you have so you do not waste money. if a misfire best cheapest option is for a professional to fix it as it can be a basic engine problem, sensors , injectors etc.
Jan 14, 2017 at 1:47 AM
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