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

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.

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Average mileage: (–)
Engine affected: 1.9L 4 Cylinder Diesel Turbo
2 model years affected: 1996, 1997
3 people reported this problem
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