[Diy_efi] low-impedance injectors w/saturated driver

Steve Spiers s.spiers at xtra.co.nz
Wed Sep 4 14:29:51 GMT 2002


Why do some manufactures like Mazda do this from the factory? I think RX7s are like this

Steve

bill.shurvinton at nokia.com wrote:

> Short answer is you can't. The saturated driver is designed for 1A per injector. P&H, even with resisitor will draw about 4A when peaking. Converting between the 2 is a few transistors.
>
> Bill
>
> -----Original Message-----
> From: ext Scott F. Williams [mailto:sfwilliams at comcast.net]
> Sent: 19 August 2002 19:26
> To: diy_efi at diy-efi.org
> Subject: [Diy_efi] low-impedance injectors w/saturated driver
>
> Here's a super-basic question for y'all. To use low-impedance fuel injectors
> with a saturated driver... all one must do is splice a resistor (with proper
> resistane value) into the injector wires, correct? Or, is there anything
> else involved?
>
> Thanks,
> --
> Scott F. Williams
> NJ Scirocco nut
> '99 Subaru Impreza 2.5 RS
> Mazda 323 GTX turbo "assaulted" vehicle
> Golf GTI 16v "rollycar"
> ClubVAC: "Roads found. Drivers wanted."
>
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