Question about 2006 Ford F-150

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While driving, the engine has a slight bucking or hesitation, but is not a consistent thing. Give it gas at highway speeds and everything runs fine. No indicator lights come on at all? Vehicle has 100K miles... wondering fuel filter, had a mechanic mention something about a torgue converter fluid, and I realize maybe a tune up, but I worry about the plugs on the ford breaking in half and dropping into the motor.... dealer says they are not responsible for this happening and all expenses to remove it are mine

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2002 E-250 5.4l hesitation during accelleration

Sounds like you could have a bad coil or boots. When I do tuneups on fords I always use motorcraft plugs, and replace the boots that hook to the coils, also buy some dielectric grease to put small dab inside the boot where it slides on the plug. You will probably also need 8mm socket, 7mm socket, and a wobble spark plug socket, or swivel to reach some of them. I usually try to blow air around the intake to clean any dirt off. Then I do 1 plug at a time, and while the plug is out i crank it over or start it a second to blow anymore debris out. Fords are bad about getting misfires on back cylinders. If you take it to a shop beware book time is about 3.5 hours. Could be worse I just got through last week tearing apart a 6.0 powerstroke in 2006 E350 (No access there)

Posted on Jan 11, 2009

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motor1258
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SOURCE: Strange loud buzzing noise on 1997 Ford Explorer XLT

Only thing that comes to mind with description is maybe heat shield on exhaust, getting loose. Wait until vehicle is cooled off and get under there & check any heat shields you see wrapped around or near exhaust, above it attached to floor of vehicle etc, and give them all a little shake or rap with rubber hammer or similar to see if any rattles are present.

Posted on Aug 24, 2009

dturnlund
  • 45 Answers

SOURCE: engine runs rough at idle and bucks at highway

I had a similar problem in a 1994 Taurus, and after spending nearly 300$ on ignition parts, it turns out the problem was a bad spark plug wire that cost me 8.88$ to replace.

Posted on Mar 01, 2010

Testimonial: "n.o. 1 spark plug wire it is. thank you"

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SOURCE: 2003 Ford Expedition that

air in fuel change fuel filters maybe blockin with dirt

Posted on Apr 09, 2010

  • 148 Answers

SOURCE: 96 ford e250 4x4 super cab 5.8 The problem is when

Could be fuel system related, especially if it has dual tanks. Have you tried the T.P.S? (throttle position sensor) Its usually located under throttle body.

Posted on Feb 01, 2011

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