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  1. JeffMonk

    2020 VolvoPenta Gen5 Fuel Trim Faults

    Thank you for your reply. Model is BRA23C061920, S/N is A1103880. Both O2 sensors are new, but I'll swap and check. Purchased from individual, and boat is no longer under warranty. Bryan went OOB, but I am contacting VP dealer in Houston. Is it possible there's an electrical issue that...
  2. JeffMonk

    2020 VolvoPenta Gen5 Fuel Trim Faults

    New to the forum....could not find anything related to Gen 5 fuel trim problems. I am getting fault codes 4236 and 4237 - both FMI-0. Getting a significant engine derate at the time of fault. I have replaced the FCC cartridge filter and checked HP at the FCC (50 PSI at prime, steady 70 PSI...
  3. JeffMonk

    Continuing Problem with 2021 VP 250 hp 4.3 DI

    Just watching this thread to see if you saw a consistent improvement here.
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