2000 Toyota Sienna Engine And Engine Cooling:engine:gasoline Problems

NHTSA component category: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE · data through 07/12/2026

30Engine And Engine Cooling:engine:gasoline complaints

8.3%Of all 363 complaints

#3Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How engine and engine cooling:engine:gasoline ranks on this vehicle

POWER TRAIN:AUTOMATIC TRANSMISSION47 · 12.9%

STRUCTURE:BODY:DOOR30 · 8.3%

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE30 · 8.3%

TIRES29 · 8%

ENGINE AND ENGINE COOLING:ENGINE18 · 5%

Share of the 363 complaints citing each category; one complaint can cite several. Full breakdown on the 2000 Toyota Sienna overview page.

What owners report

“SLUDGE PROBLEM STARTED AT 11111 MILES - ALSO TIRES NEEDED REALIGNMENT AND REPLACEMENT AT ONLY 13115 MILES. THE VAN BLOWS BLUE SMOKE UPON STARTUP. WE…”NHTSA complaint 758030 — filed 02/09/2002

“ENGINE SLUDGED AT 29,080 MILES . ALL OIL CHANGES WERE PERFORMED AS REQUIRED PER WARRANTY MAINTENANCE AGREEMENT. AN ENTIRE ENGINE OVERHAUL IS NOW REQUIRED.”NHTSA complaint 757827 — filed 02/05/2002

“A KNOCKING SOUND CAN BE HEARD COMING FROM ENGINE COMPARTMENT. DEALER HAS BEEN CONTACTED, PLEASE PROVIDE FURTHER DETAILS.”NHTSA complaint 8003358 — filed 01/31/2002

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Engine And Engine Cooling:engine:gasoline complaints by year filed

Frequently asked questions

Does the 2000 Toyota Sienna have engine and engine cooling:engine:gasoline problems?

Engine And Engine Cooling:engine:gasoline is the #3 most-reported problem area on the 2000 Toyota Sienna: 30 of 363 complaints on file (8.3%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2000 Toyota Sienna have in total?

363 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 21 involved a crash, 4 involved a fire, 26 reported injuries, and none reported deaths.

What does NHTSA's engine and engine cooling:engine:gasoline category include?

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE AND ENGINE COOLING:ENGINE:GASOLINE category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.