"Check Engine" when going up long hills

MERCURY TRACER
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DYABALLIKL
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Hi, I deliver pizza in my 1992 Mercury Tracer, mileage 190,000 (and going strong!). My concern is this: I deliver in a rather hilly area. When going up long hills, like over 30 seconds to the top, I get a check engine light by the top, and if I drive for about 10-15 more minutes, it goes away. I figured it's probably an oil issue, so I replaced the oil and filter, and even dropped the pan and flushed the whole system out, but to no avail. Anyone else get anything like this?
Jul 25, 2006 at 5:46 PM
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DYABALLIKL
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and i didn't realize since i don't go on the freeway much, but i also get the light on when travelling over 65 miles per hour for atleast 10 minutes. so if anybody has any ideas, that'd be great!
Aug 10, 2006 at 6:46 PM
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DYABALLIKL
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oddly enough, the problem completely went away after i replaced my clutch and rear main seal.
Oct 1, 2006 at 5:12 PM
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