Excess Engine Oil Consumption on Lexus GS400

Problem Description and Possible Solution

Sludge can build up in the engine because Lexus did not recommend frequent enough oil changes. Lexus will sometimes offer a discount on cleaning the engine if necessary. Owners who changed their oil every 3,000 miles did not experience these problems. This sludge build up can lead to excessive oil consumption.

Problem Data
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Average mileage: (–)
Engine affected: 4.0L V8
3 model years affected: 1998, 1999, 2000
4 people reported this problem
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