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How do you change O2 sensor - bank 1 sensor 1 - on 1997 Expedition with 5 4L engine-I can see it but can't get my wrench on it?
Wiki User
∙ 17y ago
Drop the pipe. easiest to remove the manifold bolts, and drop pipe down. Bank 1 = right side, take off the right front tire, and go through wheel well
Wiki User
∙ 17y ago
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