Vehicle stalled while driving. Driver was able to pull over, and tried to restart vehicle but was unable to do so. Afterwards, driver had the vehicle towed to the dealer, but mechanic could not duplicate the problem.

- Lakewood, NJ, USA

Oil sludge.started blowing at stop lights and all startups.calling Toyota this week. This Sienna is in mint condition.we bought it for safety and dependability for our 7 week old son.now we'll see if Toyota stands behind it.this is our 1st Toyota, but there are 7 Lexus/Toyota' within our families.this engine is damaged and from what we have read, expect a complete new one.

- Hamilton Square, NJ, USA

Engine oil gelled/became sludged in July 2002, oil pump failed in November 2003

- Lexington, KY, USA

Waiting to hear from Toyota on our oil sludge engine failure problem. We are gathering the oil change receipts and were 1st told we did not maintain the vehicle. Now seeing that we are not alone with this issue.

- Hamden, CT, USA

Light blue smoke from tail pipe.oil cap dark brown

- Brooklyn, NY, USA

All the above data is an estimate becuase we are waiting for copies of all maintenance and repair records from Toyota - - but we have had multiple problems with this vehicle including screeching brakes, left veer when driving, bad transmission (replaced twice),smog check failure due to oxygen sensor and/or engine problems, clunking noises in engine, a shuddering of vehicle when driving or braking. The car has been at dealers for as long as 3 weeks; dealer admits not knowing what is wrong. Failed

- Manhattan Beach, CA, USA

Oil burns at high heat which causes the oil to develop into a gel. As a result, the engine fails prematurely.

- Spring, TX, USA