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

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 97,643 (70,000–117,000)
Engines affected: 1.8L 4 Cylinder Turbo, 1.9L 4 Cylinder Diesel Turbo, 2.0L 4 Cylinder
2 model years affected: 1999, 2001
6 people reported this problem
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