1999 Toyota Sienna engine problems
The 1999 Toyota Sienna has 40 engine complaints filed with NHTSA — 16% of the year's total, and roughly flat versus the prior model year.
40
Engine complaints
16%
Share of year
0
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“MY WIFE WAS DRIVING ON THE FLORIDA TURNPIKE WITH OUR SONS (AGES 3 AND 1) IN THE VEHICLE. THE ENGINE LIGHT CAME ON AND THE ENGINE DIED. SHE COASTED OVER TO THE SIDE OF THE ROAD. SHE STAYED IN VEHICLE AND KEPT THE BOYS IN THEIR CAR SEATS AS SHE WAS ALONG A MAJOR HIGHWAY. A ROAD SIDE ASSISTANCE…”
Common questions
How many engine complaints does the 1999 Toyota Sienna have?
NHTSA has 40 complaints about the 1999 Toyota Sienna engine — 16% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.