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.
Car Problem Reports
Lexus RX300 Sludge Buildup on Engine Due to Infrequent Oil Changes
Lexus RX300 Problem
Engine Affected: 3.0L V6
Average Mileage: 130,500 mi (116,000 mi - 145,000 mi)
Visitor, 2000 Lexus RX300, 3.0L V6, 145,000 mi
I have faithfully change our oil at ever 5000 mile, as the manufacturer suggessed, now our problem is accessive oil usage, at the estimated one quart per one thousand mile. We don't want to stick the next owner with the problem, Who can we turn to and how much will it cost?
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