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Date: Mon, 22 Jan 2007 23:33:28 -0000
From: "kingdoodlesquat" <>
Subject: Re: problem starting Saab diesel after running out of fuel

"Trespassers W" <> wrote in message news:ep274p$5c4$ > I foolishly ran out of fuel in Saab 9-5 3.0TiD yesterday 10 miles from home > (the display showed I still had enough fuel for 30 miles). An insurance > company man brought me 10 liters of fuel and it took me 1.5 hrs to start the > engine. At times I turned the starter for as long as 30 secs. I > unsuccessfully tried to locate a fuel filter or a fuel pump somewhere under > the hood. Finally, when the battery was half-dead, the engine started. My > questions are as follows: > What is one supposed to do in such situations (other than make sure they do > not happen)? Whenever a diesel system on any engine runs out of fuel, it is always difficult to get going again because the air drawn into the fuel system creates loads of airlocks & are always hard to shift. The best way I know of to get rid of the air in the system is to crack the pipe at the most convenient point by loosening off a union as close to the fuel injectors as you can get. When you switch the key on I think the fuel pump pressurises the fuel system without having to turn the engine over, so hopefully it will continually try to pressurise the system & push the air out of the cracked point. When fuel comes out, switch off the ignition & tighten up the union. Hopefully your car should then start within 2 or 3 times. > What are the risks/potential damage? The only risks I am aware of is that if you repeated try & start the car, anything that is fuel lubricated is likely to get damaged very quickly, so you might have damaged the fuel pump, but this should be apparent is you notice a drop in performance of your car. > Where is the fuel pump located anyway? Don't know - sorry > Thanks and best regards > TW > HTH kds:-)

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