After replacing the upstream O2 sensor the right bank lean and intermittent rough idle seemed to be ok on 97 jeep but than last week would not idle at all without stepping on petal. It also makes a loud sound like exhaust leak but after runs few minutes calms down. I replaced the idle valve but I don't trust this thing anymore. It only has 140,000 but its old. Having really hard time shelling out $50,000 for used Ford 4x4 truck. I found this and thinking about driving down to look at it. Looks like was a rental but in good shape. It has the 3.3 instead of the 2.7 I been looking at.
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2018 Ford F-150 XL for sale in Plano, TX - CARFAX
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