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OK, I've got a 01 with the 4.3 liter. It's got just under 58K miles. I was driving down the highway....about 70....when all of a sudden the ses light came on. The engine was running normal and I didn't notice a difference in the way it was running. Now I'm hoping that it's just a sensor, Like an O2 sensor or something. I'm kinda leaning this way cause' there has been a nast spell of "sulphur" coming outta my exhaust. I'm thinking that maybe it's that....but I'm not sure. I'm a little worried cause this is the same way my mustang started out before it quit running altogether. So.....please help....I can't afford a major problem.
ps: the light stays on...doesn't flash
ps: the light stays on...doesn't flash