Question about 2003 Ford Expedition
Generally this turn on when have any problem with the emission sensors; to know excalty what fault code there, make one scanned the PCM in autozone or autoshop with OBD Codes Reader.
With this code number we could send aditional details.
Hope helps (remember to rate and comment this).
Posted on Sep 30, 2010
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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
It does not take 3 hours to change spark plugs..I will suggest you get the right equipment to do this job.Get the right tool that can sit on the spark plug and unscrew....You will need to disconnect the coil pack that sits on top and disconnect the wires if needed.From there it is self explanatory.
Posted on Jun 16, 2009
The service light means something is wrong with the car and it needs attention now. Get the codes checked and that will tell you what is wrong with it.
Posted on Jun 17, 2009
Take it to your local mechanic to get an OBD code check. It should tell you the problem, and you can get an estimate on the fix unless you want to do it yourself. It could be a fuel filter issue.
Posted on Sep 06, 2009
Take the vehicle to any local auto parts store that will read the codes. WRITE THEM DOWN, and report back here for further help.
Posted on Dec 21, 2009
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