Results of numerous vehicle tests indicate that both unleaded and leaded gasolines when formulated with adequate dosages of an effective detergent additive can provide both port fuel injector (PFI) clean-up and keep-clean performance features even at very severe operating conditions. Significant reductions in flow restriction due to PFI clean-up were observed with several detergent additized fuels. The premium fuel additive dosage demonstrated rapid injector clean-up in relatively short mileage. The regular fuel additive dosage demonstrated excellent injector keep-clean capability even in relatively unstable fuels. Improvements in acceleration rate (10 to 161), driveability and idle quality were also observed associated with PFI clean-up.Results from nine vehicles tested at both controlled and consumer test conditions indicate that engine and injector design, driving cycle and fuel quality are key factors influencing deposit build-up.


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    Titel :

    Port Fuel Injector Cleanliness Studies


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Horowitz, A. M. (Autor:in) / Abramo, G. P. (Autor:in) / Trewella, J. C. (Autor:in)

    Kongress:

    1986 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1986



    Erscheinungsdatum :

    01.10.1986




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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