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Excessive Oil Sludge Build Up
1999 Toyota Sienna
This problem may be covered under warranty. Ask your Toyota dealer.
3.0
definitely annoying- Typical Repair Cost:
- No data
- Average Mileage:
- 38,000 miles
- Total Complaints:
- 2 complaints
Most Common Solutions:
- flush the oil with products available in stores (1 reports)
- toyota rebuilt part of the engine (1 reports)

engine problem
Helpful websites
- No one has added a helpful site for this 1999 Sienna problem yet. Be the first!
A D V E R T I S E M E N T S
Toyota rebuilt part of the engine. It's been fine since..it's now at 110000 miles
- L M., Atlanta, GA, US