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I just had a terrible experience. My truck just rolled over 36,300 miles (note that is 300 miles OUT of warranty) and the SERVICE ENGINE SOON light came on!! Is there any way to read the trouble codes like you could on earlier computer controlled engines? I had a 1988 Ranger that I could rig up a paper clip and count the CHECK ENGINE light flashes, then reference a booklet. Is there any such thing possible with the V-10?! Please help, I do not want to take it to the dealer for an expensive check on what may be a simple item!! Thanks in advance. BTY, everything reads fine on my gages (factory and aftermarket), and it runs just fine.
I believe you need a special scan tool to read the codes because of the OBD II computer. There are about $300 or so. You may be able to go to any major garage chain and get a printout for a few bucks. You could also disconect your battery, turn on headlights and ignition for a little bit to clear the code. It it returns then you know you have a problem. You might also check your gas cap to make sure it is on tight. They've been known to trip the light if not on right. Good luck.
Thanks for the tip on the gas cap; never heard of that one. I guess I will try to clear the code and see if it comes back. Don't see any harm in that as the truck runs just fine? I will post any results that come about. Thanks!
Don't know about the V10, but I had a '96 315W where the "check engine" light came on at 34K miles-and it was a bad exhaust oxygen sensor. My trusty dealer replaced it in no time, and told me that it's pretty common for those to go in between 30-40K miles. May just be something else to check-HTH-Fitz.
On the OBD II systems, removing either battery cable will not clear the codes. You might get lucky and the light go out, but without clearing the codes with a scanner, they will stay in memory. Depending on the problem, it could have an effect on how the engine runs, fuel mileage, timing, emissions, etc.
good luck, my 5.4 started just after the warranty expired. if you read the message board on disatisfied truck owners on this site it will give you a better idea how ford builds their trucks
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