Question about Cars & Trucks
Accelerating is rough ,up hill, cold or hot engine doesnt matter !
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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Posted on Jan 02, 2017
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
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
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
Tips for a great answer:
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The information below was complied by me, it explains what causes the check engine light to come on and the process of finding the cause.
When the Check Engine light (or Service Engine Soon or small picture of an engine) is turned on, the systems computer control unit (called the PCM) has sensed a fault in the electronic controls of the engine and/or the emission system. When this happens you will seldom feel the car engine run any different. There are about 200 possible system faults (the gas cap is just one of them) that turn the Check Engine light on, to know what has developed a problem you must have the system tested, this is called an OBD2 fault code test, Kragen/Oriley and Autozone parts stores (USA only) do this testing for free.
Feb 11, 2012 | Cars & Trucks
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