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VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old December 13th, 2012, 05:07   #1
Join Date: Jul 2010
Location: Chandler, Az
Default 01 Jetta TDI Power Loss, Loud Engine

Started to head to work this morning, got a block from home and the engine got real loud and lost power. Not a complete shutdown, just low power. It came out of nowhere, never done this before. I just turned around and got it back in the garage, didn't want to drive it in this condition. Any ideas, or anyone near Chandler, Az that could give me some direction on this?

Last edited by 01TDINAZ; December 13th, 2012 at 05:09. Reason: Add info
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Old December 13th, 2012, 05:11   #2
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Join Date: Nov 2003
Location: Northern Virginia

Perhaps one of the EGR pipes to/from the EGR cooler broke, causing loss of exhaust pressure to operate the turbocharger, causing a low boost issue. Or an intake pipe piopped loose. If either, it is relatively minor.

2004 Jetta GLS TDI 5M Plat. Grey w/ Leather. RC Stage 2, G60/VR-6 clutch, steel skid plate, TDIHeater, CAT 2um fuel flter, Phat Noise, and VDO boost & volt guages.
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Old December 13th, 2012, 05:33   #3
Join Date: Jul 2010
Location: Chandler, Az

Thanks for the reply. Just checked and those parts look fine, no signs of any problems. My first thought was an IC boot, as those have blown off/broken on my truck and are very loud. But that's all intact...Still searching
2001 Jetta TDI, 5 speed, Stock. 170k and counting..
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