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I have just changed the o2 sensors (both) trying to get rid of cel saying running lean both banks, now I get PO113 IAT Sensor 1 circuit high input

Vehicle: 1998 Ford Explorer Sport

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Hi there,

This may be the problem causing the lean codes. Since it was lean on both banks it usually indicates something that affects the fuel mixture on both banks. A faulty IAT sensor would cause or could cause a lean fuel mixture.

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