Car Problem Reports

Volkswagen Beetle TDI Loss of Power Due to Oil and Carbon Build Up in Intake Manifold

Volkswagen Beetle TDI Problem
8 Reports
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Model Years Affected: 1999, 2000, 2002, 2003, 2004

Engine Affected: 1.9L 4 Cylinder Diesel Turbo

Average Mileage: 155,333 mi (140,000 mi - 165,000 mi)


Oil and carbon tend to build up, creating restrictions in the intake manifold. Symptoms will be loss of power (sometimes severe) and poor fuel economy.

  • woolfmaster1, , 1.9L 4 Cylinder Diesel Turbo, 140,000 mi

    Had loss of power and black smoke. intake was 90% plugged. easy fix 2hrs now runs like new. used round wire brushes don't let build up go down the intake. Pull the junk to you.

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