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2006 Chevrolet coba...
 
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2006 Chevrolet cobalt

  

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I just changed my sparkplug and replaced them but they were black looks burnt, smell like gas to.. my car idles around 1000-2000rpm, exhaust pump small like gas n do this lil pump while running. Car drives but while driving itll jerk when going to second gear and gas burns quickly.. if you will like to see a video plz give me a email to send it to u.. thanks a lot 


1 Answer
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Your car definitely runs rich. Change your air filter, clean MAF sensor, and change your spark plugs and their wires if you have not done it yet. Good luck. 


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