O2 sensor questions with tunning - Power Hungry Performance Forum

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O2 sensor questions with tunning

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1997 to 2003 F-150
4.2L, 4.6L, and 5.4L equipped F-150s.

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Mon, July 11th, 2011, 03:00 PM

Burns331

Double Whopper

Join Date: Jun 2010

Posts: 28

So with 225k on my original sensors, They could be causing my hesitation from 1100-1400 rpm. They are working, but the engine is leaning out possible?

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