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p2270

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    P2270 (O2 Sensor Signal Stuck Lean Bank1 Sensor2)

    Hello, My 04 XLT (207k mi) has been throwing the P2270 (O2 Sensor Signal Stuck Lean Bank1 Sensor2) for a while. I've replaced all the O2 sensors, the downstream ones twice. I also replaced the PCV (PCV hose looked fine, connections seemed tight) and the Fuel Injection Pressure Sensor. It also...
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