I had a problem like this quite a number of years ago. 1993 in fact - I just know that was the year because I remember what I was doing at the time. Mine was due to the float valve in the carb misbehaving. I swapped it out for another one and solved the problem....
-Garrett --- On Sun, 1/31/10, Mike <[email protected]> wrote: > From: Mike <[email protected]> > Subject: Re: [vintagvw] Troubles with the bug... > To: "Air-Cooled Volkswagen Discussion List" <[email protected]>, "vw > list" <[email protected]> > Date: Sunday, January 31, 2010, 6:27 AM > Asad, > > I'm gonna guess, it's possibly a clogged fuel inlet > screen (in tank), clogged fuel line, clogged fuel filter (by > trans) or clogged fuel screen (inside fuel pump). > Check and clean all of these locations, it seems to > be fuel-related. > I wouldn't advise ever installing any fuel filter in > the gravity-feed fuel line (anywhere in the tank-to-pump > lines); only on a pressurized fuel line (pump-to-carb > line). If you do, it MUST be cleaned frequently or you > will starve your pump, or experience vapor-lock when it gets > hot (exhaust, trans, etc.). The gravity flow fuel feed > line has very low volume/ pressure, and is easily reduced to > nearly no flow by such a restriction in-line as a slightly > dirty filter. > > YMMV, > > Mike B. > > ----- Original Message ----- > From: asad ishaque > To: vw list > Sent: Sunday, January 31, 2010 6:27 AM > Subject: [vintagvw] Troubles with the bug... > > > > Volks, > Thanks for the replies to > my previous alternator conversion question. > Had planned for the swap > this weekend but something came up. My previously 100% > reliable 68 daily driver has started to give trouble! > Last week I ran out of gas > after noticing I was getting bad gas mileage. Well, Pushed > my luck and ran out just a few meters shy of the gas > station. Filled her up and she ran well. > Now this week, I am driving along a > main road when I notice intermittent power loss. First I > think its my imagination or lack of sleep. But then I enter > an underground pass and the bugs really sputtering. Dies > before the exit ramp. I start it after some attempts and > just about make it up and park at the side of the road. I > suspect crap in the carb so try to clean it a bit with carb > cleaner and all. Starts up after some efforts and Im off > again. Sputters a bit then dies again along another main > road. Comes back to life after a bit and then dies again. I > make it to a roadside shop adn proceed to dismantle the carb > adn clean it up. I find no crap inside the float bowl > though. A good cleanup later its back in the car. Runs > good. > I proceed home but then again > along a main road the bug dies. Now I suspect the spark. I > pull out the dizzy and replace the condensor with a brand > new one. Good I had one in the car. Did not replace the > point to save time. Just sanded it a bit to clean up a small > visible pit. Reset the timing with a static light, this time > a bit more advanced as it was retarted a bit earlier. Start > her up and she runs beautifully. The sound had changed! I > was a happy man! > But today, while on the way back > from work, the performance is repeated! Aaarghh! > Now what could be possibly wrong > with the car???? > I am thinking of a chocked fuel > filter. I run it in front of the engine ie where the gearbox > is. Maybe it is not delievering enough fuel at high > speeds??? Almost always the trouble was on long straight > roads where one is in speed. Need to take a look at it. > What else could be wrong???? > Bad coil (runnign a nice Bosch > from Brazil)?? but would it not be continous rather than > intermittent?? > Bad slow jet??? Running an > electric one in the Brazilian carb. Could this behave this > way???? > Any other ideas??? > TIA for all your thoughts. > AsadKarachi,Pakistan. > > _________________________________________________________________ > Hotmail: Free, trusted and rich email service. > http://clk.atdmt.com/GBL/go/196390708/direct/01/ > _______________________________________________ > vintagvw site list > [email protected] > http://lists.sjsu.edu/mailman/listinfo/vintagvw > _______________________________________________ > vintagvw site list > [email protected] > http://lists.sjsu.edu/mailman/listinfo/vintagvw > _______________________________________________ vintagvw site list [email protected] http://lists.sjsu.edu/mailman/listinfo/vintagvw
