NHTSA Complaint #10157760 — 2005 TOYOTA SIENNA

ENGINE AND ENGINE COOLING issue reported to NHTSA

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Complaint Details

ODI Number	10157760
Vehicle	2005 TOYOTA SIENNA
Component	ENGINE AND ENGINE COOLING
Date of Incident	May 17, 2006
Date Filed	May 17, 2006
Mileage	400 miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	SC

Consumer Description

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

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