Excess Engine Oil Consumption on Lexus GS400

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.

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Average mileage: (–)
Engine affected: 4.0L V8
3 model years affected: 1998, 1999, 2000
4 people reported this problem
1 person shared problem details
1999 Lexus GS400- 4.0L V8
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