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1999 Acura TL 3.2L with engine code P0172, could this be the O2 sensor?

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1999 Acura TL 3.2L with engine code P0172, could this be the O2 sensor?

Vehicle: 1999 Acura TL 3.2L

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It's possible, but there are other things that can also cause the problem, like intake leak, MAF, spark plugs or valve adjustment. If you haven't adjusted the valve lately you should start with that.

P0172 ACURA Code - Fuel System Too Rich Bank 1
Read more: https://www.autocodes.com/p0172_acura.html

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