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2002 Toyota Camry Question: CEL Light, Got PO 171 System Lean Bank 1

 

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recap, 2.4L 4 Cylinder, Van Nuys, CA, November 30, 2012, 13:24
 Rookie

Car starts and runs as usual. Cleaned MAF. CEL has returned.
Any suggestions for next move.
Thanks.

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  • Answer #1

    pushrod November 30, 2012, 21:18
    Profile_thumbnail
     Master

    Check for vacuum leak, lazy 02 sensor(1). Replace fuel filter. Check MAF/ 02 data with a real scanner.
    Any exhaust leaks around the front 02 sens?

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