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1997 Ford F-150 Question: what do i do if it say system too lean(bank 1 )

 

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kjohn45, 5.4L V8, Hollywood, FL, February 03, 2011, 08:19
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what to do if it say system too lean (bank 1 )

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  • Answer #1

    ZeeTech February 03, 2011, 09:34
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    You take it to a shop where a confident technician could diagnose a lean condition which could be caused by quite few different things.

    Zee

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  • Answer #2

    F-150XLT February 29, 2012, 11:09
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    Its more likely the Oxygen sensor #1. There are other parts that mimic that symptom, but usually is the OS.
    Super Mario Bros.

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