Question about 2001 Volkswagen Jetta TDI

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I have 2004 jetta gls tdi eng. light is on.diagnostic machine says its turbo charge underboost, when im driving it loses pressure and rpms dnt go up,when i restart it it works fine but eventually goes back to losing pressure no boost how do ifix this myself?

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In the VW world it's called "Limp Mode" and unfortunately it's relatively common. Here's a link to some useful info on limp mode

http://www.myturbodiesel.com/1000q_how_to/multi/limpmodetdi.htm

Also check out www.tdiclub.com - these guys know their TDI"s...

Posted on Jul 10, 2009

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Posted on Jan 02, 2017

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Get it in for diagnostics, the possibilities are endless, but do not drive the car!
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My volkswagon jetta TDI loses power when i am accelerating. i noticed that it usually happens just before i get to 2000 RPMs in every gear exept first. what could be wrong?


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Aug 12, 2010 | 2000 Volkswagen Jetta TDI

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My 2000 VW Jetta TDI suddenly lost power on the interstate. It seemed that it took twice the RPMs to keep the same speed. Is this the turbo kicking off? At lower speeds it feels as if it does not change...


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1 Answer

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im afraid the only way to switch of the airbag light is to use some form of diagnostic machine, as this is a saftey related item, i hope this helps .

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it should be near a coolant hose or your water pump

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