definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
35,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2002 Toyota Sienna engine problems

engine problem

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2002 Toyota Sienna Owner Comments

problem #2

Sep 152003

Sienna 6-cyl

  • Automatic transmission
  • 40,000 miles


Idle control valve failure. Prevents car from idling correctly. Car will start and then cut off right after you drive off. Potentially causing you to get hit by other vehicles. This happened on my 2002 Sienna at 40K mile and continuously since. I know of 4 other people with this problem. My mechanic had about 10 or these defective parts in his shop and he said that he replaces these all the time on all the Toyota. I took my car to the fremont Toyota dealer and the service rep said the failure rate was so high that there was a nationwide shortage for this part and that it would take 2 months for the part to be available. The dublin ca, Toyota dealer was also well aware of this problem of the idle control valve. It's a very dangerous situation for all operators of Siennas, Camry, and other totota vehicles with this idle control valve.

- Fremont, CA, USA

problem #1

Jul 062004


  • Automatic transmission
  • 30,000 miles
Engine was replaced because of an accumalation of sludge which developed in the base of the motor. Then, engine stalled. This was the third engine replacement.

- Portsmouth, NH, USA

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