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

what to do if it say system too lean (bank 1 )

by in Hollywood, FL on February 03, 2011
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2 answers
ANSWER by , February 03, 2011
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
ANSWER by , February 29, 2012
Its more likely the Oxygen sensor #1. There are other parts that mimic that symptom, but usually is the OS. Super Mario Bros.