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On 4 Dec 2005 at 20:02, Constantino Tobio wrote: > Interesting. Its been my experience when starting up anything that > fuel's been sitting in for at least a year that it'll have a very hard > time starting up, if at all, as if the fuel has gone stale- even with > fuel stabilizer. Putting fresh fuel in cures the problem. I think this is most likely to be due to the fact that the old gas has dried up a bit and left some deposits which have "gummed up the works" a bit. Fresh gas will have more of the light volatile components and may be more likely to loosen up the deposits which are holding you up, but persisting with the old gas will likely do as well. In any case, the best solution is to make sure the gas tank is sealed so that evaporation is minimized. > One interesting thing when I started the car up. Since I didn't have the > manual pump switch, I had to cycle the ignition key. The first 3 cycles > the pump made a loud noise, like it was running dry. After that, it > sounded like the pump was running and pushing fuel. Now, about how many > seconds does it take to pressurize the fuel loop? If the fuel ring is empty, I'd say it takes 10-15 seconds for it to fill completely. You should be able to hear air bubbling up inside the gas tank as it is chased out of the ring by the gas. Once the bubbles stop you know that the ring is full. This won't fill the injectors, but on 70-73 cars depressing the gas pedal a few times while the pump is running will also bleed the injectors enough that the engine will start on the first few revolutions. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~