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-   -   1993 Honda Del Sol check engine light code 43, what causes this? (https://www.askmehelpdesk.com/showthread.php?t=606342)

  • Oct 23, 2011, 10:50 PM
    deep67
    1993 Honda Del Sol check engine light code 43, what causes this?
    Can a MAF or a MAP cause the check engine code 43 on a 1993 Honda
    Del Sol SI?
  • Oct 24, 2011, 05:30 AM
    TxGreaseMonkey
    43 Fuel supply system or heated oxygen sensor circuit
  • Oct 24, 2011, 11:27 AM
    CaptainRich
    The fault will require pinpoint diagnostics by a tech on the scene. The problem could be incorrect fuel delivery, a faulty sensor or a faulty PCM/ECU.

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