really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
65,681 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.

2001 Toyota Sequoia engine problems

engine problem

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2001 Toyota Sequoia Owner Comments

problem #6

May 152002


  • 25,000 miles


The contact owns a 2001 Toyota Sequoia. While driving approximately 5 mph the contact heard a ticking noise in the engine. The contact stated that the failure had been on going since 2002 and it occurred daily. The vehicle was taken to an authorized dealer who advised her that it was just a noisy lifter and nothing to be concerned about;however, the failure continued to occur. The vehicle was taken to several dealers and mechanics who were unable to diagnose the failure. During state inspection she was advised that the manifold casket was warped and that carbon monoxide was entering the vehicle. The vehicle was taken to an authorized dealer again who stated that the manifold casket needed to be replaced for $2,300. The vehicle was not repaired. The approximate failure mileage was 25,000. The approximate current mileage was 100,000.

- Pittsfield, MA, USA

problem #5

Dec 162008


  • 105,000 miles
The contact owns a 2001 Toyota Sequoia. The contact stated that the ECU (engine control unit) failed. The traction, skid control, brake, and engine lights were all illuminated on the instrument panel. He experienced no vehicle performance issues, but was alerted to the failure because of the lights. He took the vehicle to the dealer and they stated that the engine computer failed and needed to be replaced at the cost of $2,400. The manufacturer could not assist. The current mileage was approximately 110,000 and failure mileage was approximately 105,000.

- Clarks Summit, PA, USA

problem #4

Jul 082007

Sequoia 8-cyl

  • Automatic transmission
  • 85,000 miles
Sudden loss of power during acceleration of Toyota 2001 vehicle on three occasions.

- Athens, GA, USA

problem #3

Jul 252007

Sequoia 4WD 8-cyl

  • Automatic transmission
  • 77,088 miles


My 2001 Toyota Sequoia had an issue with "check engine" light at approximately 77,000 miles. It pulled the P0155 code that indicated failure of oxygen sensor. Toyota had at least two technical service bulletins on the issue showing this problem as widely known. What is more, on Tundra vehicles (that have the same engine)Toyota recognized the issue by extending the warranty on sensors and on that specific code up to 90000 miles. The repairs cost was almost $340, pulling the code (5 min) and replacing the sensor (15 min) was charged at 2 hrs of labor. Toyota customer service refused to cover repairs. Customer service case 2007-07250397.

- Marblehead, MA, USA

problem #2

Dec 052006

Sequoia 8-cyl

  • Automatic transmission
  • 102,000 miles
2001 Toyota Sequoia. When I shifted from reverse to drive the engine roared to a fully racing engine and accelerated forward. Hard braking could not slow the vehicle and it hit the back of a 2004 Honda mini-van that was parked, doing extensive damage but causing no injuries.

- Austin, TX, USA

problem #1

Jan 152003


  • Automatic transmission
  • 0 miles
We have a Toyota Sequoia, the problems are the 4 wheel drive is not operating all the time. It does not engage sometimes and does not stay in 4 wheel drive. One example is my wife had six friends in the vehicle the 4 wheel drive did not stay engaged and the vehicle skid control made the engine loose power so she slid backwards down a hill. No one would ride in our 4wheel drive again. The vehicle skid control makes the engine loose power while in traffic. There is also a hesitation in the engine when accelerating from a complete stop. Another problem is the braking system is not adequate for the vehicle. The entire front brakes had to be replaced. The vehicle has been in for the same repairs at least 10 times and is still not working the way it should. We have all the documentation for service on our Sequoia. We have done internet research through NHTSA and have found the same problem with other Toyota Sequoia's. there was also a problem with the air conditioner having a bad oder from bacteria growing, the exhaust manifold was loose and the power window motors made a loud noise. We have filed a complaint on all the same problems with NHTSA, comsumer affairs of California and you. We want to pursue the lemon law and get our money back. We are currently working with Toyota arbritration but are getting nowhere. We have had Toyota's previously and had no problems with them. This vehicle is a lemon.

- Truckee, CA, USA

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