| Issue ID | 588643 |
| Internal NHTSA # | 10157760 |
| Manufacurer | TOYOTA MOTOR CORPORATION |
| Brand | TOYOTA |
| Model | SIENNA |
| Model Year | 2005 |
| File date | 17/05/06 |
| Component | ENGINE AND ENGINE COOLING |
| Product type code | VEHICLE |
| Description of the problem | Vehicle has excessive spark knock at low speeds, starting from a stop and at normal driving speed when engine is under a load. Spark knock worse when engine is warmed up and during warm weather. Changing octane level does not help spark knock. This has been happening since vehicle was bought in april 2005. Vehicle has been back to the dealer several times to try to fix the issue to no avail. *jb |
| Vehicle Mileage at Failure | 400 |
| Number of Occurences | 100 |
| Source of the issue | NHTSA WEB SITE |
| City and State | SIMPSONVILLE, SC |
| VIN pattern | 5TDZA23C45SXXXXXX |
| Was vehicle invloved in a crash? | N |
| Was vehicle involved in a fire? | N |
| Was incedent reported to police? | N |
| Was medical attention required? | |
| Was part original equipment? | |
| No. of injured persons | 0 |
| No. of fatalities | 0 |
| Date of purchase | 01/04/05 |
| Was original owner? | Y |
| Anti-lock brakes | N |
| Cruise control | Y |
| Number of cylinders | 6 |
| Drive train type | FWD |
| Transmission type | AUTO |
| Vehicle speed | 20 |
| DoT tire identifier | |
| Tire size | |
| Location of tire code | |
| Type of tire failure code | |
| Was defective tire repaired? | |
| Date of manufacture | |
| Type of child seat code | |
| Type of restraint | |
| Dealer's name | TOYOTA OF GREENVILLE |
| Dealer's telephone number | 864 288 3535 |
| Dealer's city | GREENVILLE |
| Dealer's state code | SC |
| Dealer's ZIP code | 29607 |