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  1. #1

    Default Throttle loss of power

    I have a 2007 tige rz2 with a 5.7 marine power engine. When I put the throttle down I get a loss of power around 3000 rpms and a backfire noise in the engine. Iíve replaced the throttle potentiometer, throttle body, replaced the paddle wheel to gps, reflashed the ECM. Changed the fuel filter and nothing has helped. No error codes when on the computer. Any suggestions?

  2. #2
    Join Date
    Dec 2006
    Greenfield Me. USA

    Default Re: Throttle loss of power

    Ayuh,.... It's goin' lean,..... Ya gonna figure out why, 'n where,.....

    Tank, fuel pump, etc,.....
    Any Grease is Better,... Than No grease at All....

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