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My car just failed emissions because the air/fuel mixture is too rich? What fixes this problem?

And how expensive is this going to be?
It’s a 2000 Chevy Cavalier
And, yes, engine light is on.

needs a tune up. plugs, wires,cap and rotor. fuel injection or carb? if carb it could need adjustment. if fuel injection pobably the o2 sensor,but could also be, map sensor, maf sensor or egr valve. what kind of car will help me answer better.

This entry was posted on Sunday, November 22nd, 2009 at 5:07 am and is filed under fuel emission. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

3 Responses to “My car just failed emissions because the air/fuel mixture is too rich? What fixes this problem?”

  1. needs a tune up. plugs, wires,cap and rotor. fuel injection or carb? if carb it could need adjustment. if fuel injection pobably the o2 sensor,but could also be, map sensor, maf sensor or egr valve. what kind of car will help me answer better.
    References :

  2. year make model? is the engine light on?
    take it to autozone,pep boys,advanced auto they will check it for free and tell you what codes are turning the light on and how much the part costs.
    References :

  3. if the light is on that is a big reason for it to fail. what were the measurements when it was running without that we cannot help you.
    References :
    ase certified master tech, CA resident for 28 years.

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