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8.5

pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
3,588 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.

2000 Toyota Sienna engine problems

engine problem

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2000 Toyota Sienna Owner Comments (Page 2 of 2)

« Read the previous 20 complaints

problem #10

Nov 152000

Sienna

  • Automatic transmission
  • miles

A D V E R T I S E M E N T S

Told by Toyota that sludge in the engine is our fault despite regular oil changes. We don't have all our recepts but changed the oil at least 4 times since we owned the car. Impossible to believe that we were neglectful, especially when I am seeing so many other cases with the same thing happening. There needs to be an investigation here soon.

- Wood Dale, IL, USA

problem #9

May 292001

Sienna

  • Automatic transmission
  • miles
Engine had sludge build up that clogged engine and caused it to fail. Smoke was coming out of exhaust. Nothing lit up on dashboard, indicating a problem. Consuemr went on a 300 mile trip and had to add 21/2 quarts of oil. Dealer stated the only way it could have gotten like that was by not having oil changes. Consumer has receipts for oil added to vehicle.

- Longwood, FL, USA

problem #8

Jan 162000

Sienna

  • miles
While driving engine just all of a sudden lost power and vehicle started to slow down in the middle of traffic, possible engine or electrical malfunction.

- Los Angeles, CA, USA

problem #7

Mar 122001

Sienna

  • Automatic transmission
  • miles

A D V E R T I S E M E N T S

Transmission went out at 75 mph/tachometer went to zero, and engine kept running. Dealer informed consumer that she was # 49 on waiting list for a transmission which was on back order.

- Spring, TX, USA

problem #6

Feb 272001

Sienna

  • miles
Have been told I have sludge build up in my engine due to lack of maintanance. I have receipts for 3 oil changes in the first 19000 miles, but they then tell me it must have been inferior oil. Have found this to be problem with people nation wide, and Toyota will not stand behind its warranty. There is no way that this problem has been caused solely due to a lack of maintanance to all the people having the same problem. Toyota wants to rebuild the engine on a one year old van with 19000 miles for $2200, though it was properly maintained. Will not accept receipts for service done as proof of maintanance. What else are we supposed to have to ensure proof?

- Cincinnati, OH, USA

problem #5

Oct 102000

(reported on)

Sienna

  • miles
With less than 15,000 miles on my van, thick grey smoke began pouring out of the back at startup. I took it in to have the oil changed (not the dealer). It was suggested that I take the car to the dealer, especially if it lost oil (which it did). The dealer found excessive sludge build up. They said they had to clean sludge from the cylinder heads and camshafts, and replace the valve covers, stem seals and related gaskets and the R&R engine oil pan. They also said they cleaned the sludge from the pan oil pump and pick up screen, and the cam caps were scored due to lack of oil lubrication. The onsite service manager (who supposedly spoke to the regional service manager) said the sludge build up was our fault and refused to honor the warranty. We paid $2670.82 for the repairs. I've had the car back less than a week, but so far no more problems. I feel that a car with less than 15,000 miles on it should not have had this kind of problem, and should have been covered by the warranty. I've talked to several other owners of Toyota who have had similar problems. Even the Toyota people implied they've seen this type of problem often.

- Round Rock, TX, USA

problem #4

Aug 232000

Sienna

  • miles

A D V E R T I S E M E N T S

We have to wait for the part(s) because every Sienna has the same problem.

- Forsyth, IL, USA

problem #3

Aug 012000

Sienna

  • miles
The check engine light coming on seems to be a common problem in Siennas manufactured in June/July 2000. It has taken several weeks for the part to come in. I am told a transmission solenoid needs to be replaced, but they're really not sure. Toyota service and dealership response has been poor.

- Mt. Kisco, NY, USA

problem #2

Sep 112000

Sienna

  • Automatic transmission
  • miles
While having cam seal/valve seal replaced due to an oil leak, mechanic noticed right front passenger tire had a bubble and was replaced by Firestone, consumer states vehicle is going back for a 3rd time for the oil leak.

- Schenectady, NY, USA

problem #1

Aug 122000

Sienna

  • miles
Several T/C defects on the 2000 Toyota Siennas... why arent they not being recalled by the manufacturer?

- Bartlett, IL, USA

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