Will a y pipe help my o2 sensor work right
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Senior User
Joined: Nov 2004
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From: Hephzibah Ga
Will a y pipe help my o2 sensor work right
A friend of mine has a 89 F250 4x4 5.8 5 spd manual. It has hedders an duals on it. A mechanic told him that his truck will not run right because it has no back pressure for the o2 sensor. I was wondering if a crossover pipe would help his problem.
