Idle Issue
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Idle Issue
I cannot get my car to idle smooth. It feels like it is missing at idle, but it is OK under acceleration. My O2 sensors are currently original and they have 114K on them. Do any of you think these might be the issue? My cat is also rattling a bit, but I don't think that would cause it.
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A rough idle could be dirty MAF, some sort of vacum leak, or your o2s! And the cats by themselves wouldnt cause it, b/c if it was rotting out in some way it would just allow the exhaust to flow better.
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It sounds like the cat is beginning to clog or go bad because it is rattling really bad. I unplugged the MAF and it ran the same so I don't think thats it, but it might be due to the screen being put back in.
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Idk if it goes away under acceleration and it was scanned and its none of the above then idk where to go from there! Although the scans dont always show everything that is really going on imo!
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In other words if you never unplugged the o2s to look at them or check to see if the extensions were touching if you have headers then i wouldnt rule that out especially having 114k miles on them!