Question about 1999 Ford Expedition

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Engine starts right up every time the problem is that the engine sputters when accelerator is pressed eng. seems to choke itself then with no back or any smoke then revs up with no sign of any sputter until accelerator released and deprsse again . code reader shows bank #1 misfire ,gas-air mix to rich. mechanic says plug wires could be faulty! any other suggestions if any thanks! triton 4.6

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  • Ford Master
  • 1,043 Answers

I would start by checking the engine timing sounds like it may be retarded based you post.

Posted on Aug 13, 2017

6 Suggested Answers

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Posted on Jan 02, 2017

  • 208 Answers

SOURCE: 2005 Ford Taurus Sputtering

stickingvalves collapsed lifters bent push rods fault ignition or damadged spark plug wires start it up at night look under the hood for sparks jumping from wires replace fauilty wires

Posted on Jun 22, 2009

  • 60 Answers

SOURCE: my 1998 ford f150 4.6 sputters and misses check

could be quite a few different sensors easiest way to figure it out is to get the CEL scanned then you can start throwin parts at it.

Posted on Oct 21, 2009

  • 34 Answers

SOURCE: Car sputters at start up in wet or damp weather

spray your distributor wires and cap with silicone spray. If this does not work you will have to replace distributor cap as it will have a hair line crack in it.

Posted on Oct 27, 2009

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  • 6 Answers

SOURCE: Misfire/ Studdering

Go to town hall on edmunds.com and look up 2004 Ford Freestar engine problems. You'll be amazed.

Posted on Nov 04, 2009

  • 33 Answers

SOURCE: Why do my expedition sputter when I accelerate.

Bad plugs, wires.

Posted on Dec 05, 2009

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It is probably creating BLACK tailpipe smoke ... that means unburnt gasoline. (Blue smoke is OIL, white smoke is WATER).

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That's it! ... pretty cheap, too.

Hope this helps!

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