Fuel Rail Question...
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Northstar Engines and System Technical Discussion Discussion, Fuel Rail Question... in Cadillac Engine Technical Discussion; I previously owned a '96 STS and had the nylon fuel rail replaced with the stainless steel rail under the ...
  1. #1
    chazglenn3's Avatar
    chazglenn3 is offline Cadillac Owners Connoisseur
    Automobile(s): 2005 White Diamond STS N* 1SF RWD ACC/HUD
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    Fuel Rail Question...

    I previously owned a '96 STS and had the nylon fuel rail replaced with the stainless steel rail under the recall. Yesterday, I decided to change my fuel pressure regulator on my '99 STS due to some difficult warm starts, and lo and behold, I find a nylon fuel rail. Does anyone know what is different between the '96 rail and the '99 rail that would make this one okay, but not the '96 one???

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  3. #2
    Ranger's Avatar
    Ranger is online now Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: Fuel Rail Question...

    I think they used a different material to make the '98+ fuel rails.

  4. #3
    eldorado1 is offline Cadillac Owners Connoisseur
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    Re: Fuel Rail Question...

    personally, I think they're just not old enough to spring leaks. The ethanol and fuel additives haven't enbrittled them yet, so there aren't any fire reports for those years yet. Or at least not enough to issue a recall.

  5. #4
    chazglenn3's Avatar
    chazglenn3 is offline Cadillac Owners Connoisseur
    Automobile(s): 2005 White Diamond STS N* 1SF RWD ACC/HUD
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    Re: Fuel Rail Question...

    Thank you both!

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