engine on a 2001 chevy prizm?

  • Thread starter Thread starter thomaspress2003
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thomaspress2003

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My engine is running either too ?
i have changed the spark plugs and changed the ignition coils to see if that will work( at first it was saying that i had a miss fire) now they are saying it might be the oxeygen sensor or the mass air flow sensor. it is a 2001 chevrolet prizm. how can i find out which sensor it is so that i don't waste money it is almost 400 to get all 3 sensors ( there are two oxygen sensors to change)
4 hours ago - 3 days left to answer.
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41 seconds ago
i already had the test run its saying that it is running lean or rich
 
Then that is the O2 sensors. Which one? They should be able to tell you that.
 
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