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Old 06-20-2006
phatspeed7x's Avatar
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Engine misfire????

Today on my way to work I went to pass some cars on the interstate, and my SES light started flashing at me. According to the manual it means a engine misfire, and could result in catlitic damage. Truck when I was passing was pulling 5400rpm because she down shifted a couple of gears that I wasn't expecting. It only flashed like for 5 sec and then out, and hasn't done it since. The engine doesn't run bad or anything, and the only mod that I have done is add my glasspack. Is my truck in need of a tuneup? It has 32000mi on it. Any help would be awesome!!!!!
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Old 06-22-2006
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Anyone got any ideas?????????
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Old 07-02-2006
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No idea brotha, i would think that if the light wasn't constant, i wouldn't worry about it. But........ i'm not an expert.
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Old 07-02-2006
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Quote:
Originally Posted by phatspeed7x
Today on my way to work I went to pass some cars on the interstate, and my SES light started flashing at me. According to the manual it means a engine misfire, and could result in catlitic damage. Truck when I was passing was pulling 5400rpm because she down shifted a couple of gears that I wasn't expecting. It only flashed like for 5 sec and then out, and hasn't done it since. The engine doesn't run bad or anything, and the only mod that I have done is add my glasspack. Is my truck in need of a tuneup? It has 32000mi on it. Any help would be awesome!!!!!
Yeah, a flashing MIL is a catalyst damaging misfire. I've seen them a million times on the Crown Victorias when water and such gets down in the spark plugs but if it never comes back on your truck I wouldn't really worry about it honestly, but if it does take it to the dealership you may have an injector or spark plug taking a crap. I'm not psychic though so don't hold me to anything.
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Old 07-02-2006
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Last weekend I did a quick tune-up on the pickup. I changed the plugs, wires, and oil. The truck might not of needed it yet, but now I know that I'll be good for a while. I bought those Xtreme Performance Iridium plugs from Autolite. They seem to be working really well.
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