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  • What is a PGM FI main relay 2024?

    继电器 地线 系统

    Questioner:Eliza Turner 2023-05-05 05:40:34
The most authoritative answer in 2024
  • Zoe Martin——Studied at the University of Oxford, Lives in Oxford, UK.

    When the ignition switch is initially turned ON , the Powertrain Control Module (PCM) supplies ground to the PGM-FI Main Relay. This ground triggers one of the PGM-FI internal relays that sends battery voltage to the fuel pump for two seconds to pressurize the fuel system.read more >>
    +119962023-05-05 05:40:34

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