Question about 1999 Volkswagen Beetle

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I have a 1999 vw diesel beetle-won't run when it is cold outside. 5th time back to vw dealer and over 3,ooo.oo dollars later and they now say a rodent made a nest around the electronic control module. New battery, decarbon, mass air flow sensor, fix turbo, egr valve, relay to ecm, convertor glo plugs, and on and on. No one can answer why it won't stay running when it is cold outside. Now, so much money sunk in, have no choice but to try to fix it. Any suggestions. Fed up with vw dealer!!!!!!!!

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  • Allan May 11, 2010

    When you say "convertor glo plugs," do you mean new glow plugs?

    Besides that, and the fact that cold weather isn't so nice to diesels, I would look at fuel delivery issues as it sounds like most everything every other possibility has been struck off the list. Has the fuel pump been tested? If not, that might be the problem. I am not disregarding the fact that this problem happens only when it's cold outside, but, with some of these newer vehicles, I have notice some quirky things.

    Sorry to hear about the loads of money, but look on the bright side: all those things shouldn't need to be replaced for a loooooooonnnnnngggg time.


  • haynes Dec 23, 2011

    Check the socks on the pickup tube in the fuel tank. Diesel could be gelling around the socks when it is cold.

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It could be some of the temperature sensors or something that is temperature dependant. what about maybe your fuel pump? it sounds like its maybe something that expands when it is cold and has difficulty to operate. this leads me to assume it could be the diesel pump. i hope this helps.

Posted on Mar 25, 2009

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SOURCE: How do I keep rodents

You can try using mothballs to repell them. Normally id the vehicle is driven on a regular basis, rodents stay away from it so I will take it the vehicle is driven infrequently.

Posted on Jun 23, 2011

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Error code po0117. Vw beetle


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