1990 Chevy Lumina Lumina Runs poorly

1990 CHEVROLET LUMINA
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ONEBADEURO
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Engine Mechanical problem
1990 Chevy Lumina 6 cyl Front Wheel Drive Automatic

If i let the car idle in park sometimes the car will start running poorly, idle will go up and down and the lights will dim while the idle does so. When i also go to accelerate, the lights dim once i hit the gas(sometimes even stalls),then are fine when i continue to accelerate . Also my car sputters while driving. Still have full power but its just sputtering and running lean,extreme exhaust odor. Maybe EGR, the car is running lean cant figure it out.
Dec 18, 2009 at 9:59 PM
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RASMATAZ
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Check the charging system and then report back if it continues.
Dec 18, 2009 at 11:38 PM