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Reply with quote  #1 
Hi
I'm posting this question for a friend who doesn't own a computer. He has a 1970's beetle which starts first turn of the key and runs perfectly fine for about two minutes then cuts out,and refuses to restart. Can any one help him out??
Thanks
djl@laytonfamily.freeserve.co.uk
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Wayne

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Reply with quote  #2 
Could you supply a bit more information about the car and the problem? What year is the Beetle? Does it have a carb or is it fuel injected? After it stops running, will the engine still crank over? Or does it crank and not fire up? The more information we can get the better.
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Wayne Dean

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68autobug

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Reply with quote  #3 
Hoseman in the UK,
If the engine just doesn't start after running for 2 mins, but turns over etc.. It can be the condensor on the side of the distributor [or inside the dist] I had a Car doing this.. frequently, I used to mount two condensors on the distributor, & when the engine stopped, I would disconnect the condensor being used, and connect the other one.. I believe the heat was the cause of the Condensor breakdown... when it was cold it would work again...
It has never happened on any other car..

Lee Noonan -- 68AutoBug -- Australia --

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Reply with quote  #4 
Hi Guys,
Thanks for your speedy replies.
The beetle in question is a 1970 example. 1200cc with carb. It runs fine for 2mins then cuts out and wont start although it still cranks over, after a delay of 2mins it will start again and runs perfect for 2mins only.

The coil has been changed and electronic ignition has been fitted (empi type). He believes the problem doesn't exist with the ignition system as the problem existed before the fitment of the electronic ignition which was installed to cure the problem.
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Wayne

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Reply with quote  #5 
If it starts fine then that should rule out the ignition system. It sounds like it could be running out of gas or maybe not getting enough. I'd take a look at the carb, fuel filter, dirt in the fuel tank or maybe the fuel pump. Rebuilding the carb isn't a huge job. We have an article on it in Tech Talk with Rick I hope I'm pointing you in the right direction. Has anyone else ever come across this problem before?
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Wayne Dean

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68autobug

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Reply with quote  #6 
My Son is having a similar problem at the moment... I also believe it to be a fuel problem...
Have You checked the fuel gauze at the bottom of the fuel tank? I took Mine out & threw it away a few months ago.. It was stopping the fuel from flowing thru fast enough.
I don't think it can be the float level in the carburetor.
I think You have a blockage somewhere or a kinked hose under the tank.. After the engine stops, You would have to crank the engine to fill the fuel bowl in the carby... then the engine goes until the fuel bowl empties.. When the engine stops, pull the hose off the carby and place it in a glass container, then turn the engine over.. fuel should flow from the hose...
Another thing.. He may have a hole in the fuel pump diaphram, or one of the valves in the fuel pump is leaking.. An electric fuel pump will fix that problem..
Get Him to check that fuel isn't leaking into His engine oil...

Lee Noonan -- 68Autobug -- Australia --

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