Re: Fuel Pump or not - Saab 900 Bulletin Board - Saabnet.com
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Re: Fuel Pump or not
Posted by jschuh [Email] (more from jschuh) on Sun, 7 May 2017 14:41:46
In Reply to: Re: Fuel Pump or not, Landjet [Profile/Gallery]
, Mon, 1 May 2017 07:31:40
Hi again, so I'm back at this. I've one a couple things today.
Looks like I'm getting spark. So I suspect it's not an electrical problem.
For a quick check of the fuel pressure, I loosened the bolt on the input side of the fuel rail, and barely got a drop out of it. Looks like no pressure. Bentley suggests the pressure regulator (if it's not filter or fuel line related). Since the no-run situation was sudden, I am not suspecting either of these.
Seems the the regulator fault with either be fails closed, in which case, I would suspect performance issues. Failed Open I guess could dump the pressure completely?
I'm going to go get a fuel pressure gauge and see if I can at least get a pressure reading on the fuel pump.
posted by 71.237.197...
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