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charm5169

02-08-2013 07:16 PM

- '06 Azera - O2 sensors - warning light

I have a Check Engine warning light comes and goes. Codes read running lean on left and right banks. Anyone have experience with this?

NovaResource

02-09-2013 01:10 PM

What exactly were the codes? Check the tube that connects the air filter box to the throttle body. There may be a crack in it allowing extra air in to create the lean condition. Also look for any other vacuum leaks.

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