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: 214,000 (214,000–214,000)
Engine affected: 4.0L V8
3 model years affected: 1998, 1999, 2000
5 people reported this problem
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2000 Lexus GS400 - 4.0L V8 214,000 mi,
When i start it up in the morning it let's off a blue and white smoke and also when it sits but not all the time.have not had it fixed yet trying too figure out what to do was thinking about putting some oil lubricant in it but dont know can you help