Why does Check Engine Light keep coming on periodically?

2003 CHEVROLET MALIBU
92,500 MILES
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STREADLITE
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Check Engine Light keeps coming on and cooling fan does not come on in traffic and temp gage rises. Fuel cap has been tightened, Fuses checked by mechanic. Car will only cool when turing A/C on. Mechanic says car's computer needs to be replaced. Very expensive for an 03. Yikes
Jun 20, 2012 at 9:02 PM
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