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  1. H

    Bench test for HPDI ECM

    "I'm currently restoring 2 "I'm currently restoring 2 HPDI 250HP motors that were partially submerged during a hurricane last year. I've finished the mechanical rebuild, and replaced or repaired all the sensors and relays. I purchased the Yamaha PC diagnostic kit with a USB adapter, but the...
  2. H

    Electronics Module repair versus replacement

    "I'm refurbishing a submer "I'm refurbishing a submerged HPDI motor, so I've been breaking it down to clean out the cylinders and all the electrical connections. I broke 2 pins on my fuel injector driver electronic module because the corrosion had gotten in the connector. I'm now facing...
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