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Service engine soon light

Accelerating is rough ,up hill, cold or hot engine doesnt matter !

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Sorry, we are not "psychics" on this site. You need to diagnose the service engine soon light to find out which of the MANY circuits and systems monitored by your onboard computer is malfunctioning.

Please review the following article:
Why Is My Engine Light On?

Posted on Feb 11, 2012

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 2000 ford expedition, misses during acceleration,

sounds like spark plugs or spark plug leads

Posted on Mar 10, 2009

  • 4 Answers

SOURCE: misses during acceleration , rough

Go get the codes ran at auto zone or advance auto parts they will do it for free. If the codes come up as a cylinder miss-fire then it is most likely a coil (being a ford). Write down which cylinder it is. I wouldn't replace any of the spark plugs , useless you have more than 100,000 miles. If you have to replace the spark plugs use BOSH double plautim or better. The cylinder placing is ( as your are looking at the front of the truck) passenger side front to back 1-2-3-4 driving side front to back 5-6-7-8. If you never seen a coil buy one so you know what you are looking for. The coil is held in by a 7mm bolt. Take the bolt out and replace the coil. Problem Solved. Estimated time 20 Mins with 60 dollars per coil.

Posted on Mar 18, 2009

emissionwiz
  • 75822 Answers

SOURCE: Describe your service engine soon light blinking

you have a missfire that is why the light blinks, it also will have a trouble code stored showing which cylinder is causing the problem, but this sounds like a plug or plug wire issue.

Posted on Oct 13, 2009

  • 4336 Answers

SOURCE: 2004 landrover with service engine

Pull the codes and follow that indication.

Posted on Sep 08, 2010

jturcotte
  • 8195 Answers

SOURCE: I have an 02 Chevy Trailblazer & the Service

Rough idle can be caused by dirt in throttle body or EGR system, but there are many other possibilities. The service engine light indicates the computer has detected a fault. If you can get a free scan at your local parts chain and post the trouble codes to us we can give you more specific repair recommendations.

Posted on Oct 28, 2010

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