2003 TOYOTA SIENNA Engine And Engine Cooling Problems

4 NHTSA complaints on file

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Engine And Engine Cooling Issues in the 2003 TOYOTA SIENNA

4 engine and engine cooling complaints have been filed with NHTSA for the 2003 TOYOTA SIENNA. Of these, 1 involved a crash, 0 involved a fire, and 0 resulted in injury.

4
Complaints
1
Crashes
0
Fires
0
Injuries
0
Deaths

All Engine And Engine Cooling Complaints

#10319618 | Crash
HERE IS A LIST OF MECHANICAL MALFUNCTIONS INDICATING MANUFACTURING DEFECTS ON MY TOYOTA SIENNA. THE CURRENT MODELS RECALLED BY TOYOTA MOTORS DO NOT COVER ALL VEHICLES WITH DEFECTS. BASED ON MY PERSONAL EXPERIENCE IN THE PAST FEW YEARS, TOYOTA MOTORS HAVE A LOT OF LYING EMPLOYEES IN THEIR AUTHORIZED DEALERSHIP. IN SHORT, TOYOTA MOTORS PUT THEIR BUSINESS INTEREST WAY AHEAD OF THE LIFE SAFETY OF AMERICAN PEOPLE. I HOPE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION WILL CHECK THIS MANNER AND ENFORCE PROPER REGULATION. UPDATED 03/14/10 *BF *TR THE CONSUMER STATED THE ENGINE WOULD STALL. THE DEALER REPLACED THE UPPER RADIATOR HOSE AND COOLANT. THE CONSUMER ALSO STATED HE HAD PROBLEMS STOPPING THE VEHICLE, WHICH LED TO AN ACCIDENT. UPDATED IVOQ 10/12/10
#10303716 |
2003 TOYOTA SIENNA, SPONTANEOUS, UNCONTROLLED ACCELERATION. FIRST OCCURRENCE ON OR ABOUT 7/20/09. AT LEAST 3 SUCCESSIVE OCCURRENCES. TOYOTA DEALER (LARRY H MILLER BIG TOYOTA CITY) WAS ABLE TO DUPLICATE PROBLEM IN ROAD TESTS. WHEN IT HAPPENED TO ME, I THREW TRANSMISSION IN NEUTRAL. ENGINE HIT REDLINE IN TIME IT TOOK TO TURN KEY TO OFF.(1-2 SECONDS) FIRST MIS IDENTIFIED AS STICKING THROTTLE CABLES. TOYOTA REPLACED CABLES EVENTUALLY (AFTER RECURRENCE) REPLACED THROTTLE BODY. WIFE NEARLY HAD ACCIDENT WITH FIRST OCCURRENCE, HAD TO STAND ON BRAKES TO GET CAR STOPPED. SHUT DOWN VEHICLE IN LEFT TURN LANE ON BUSY SIX LANE ROAD. VEHICLE TOWED. I HAD TO REPLACE BRAKES/ROTORS. ABLE TO AVOID ACCIDENT WITH RECURRENCE BY SHOWING WIFE HOW TO THROW TRANSMISSION IN NEUTRAL AND SHUT DOWN VEHICLE. WIFE DOES NOT TRUST VEHICLE ALTHOUGH NEW THROTTLE BODY SEEMS TO HAVE SOLVED PROBLEM. TOYOTA KEPT VEHICLE TWICE FOR TOTAL OF TWO WEEKS, WE...
#10276150 |
WHEN PICKING UP MY VEHICLE FROM TOYOTA TOWN IN STOCKTON, CA, WE DISCOVERED THAT THE OIL LIGHT WAS ON FOLLOWING A 60,000 MILE SERVICE. THE MECHANIC RELEASED THE VEHICLE TO US WITHOUT EXPLANATION. THEN AFTER TWO VISITS IN THE SAME DAY TO THE SERVICE DEPARTMENT, MY HUSBAND DEMANDED AN EXPLANATION. THE MECHANIC SAID IT WAS OUR PROBLEM THAT THERE WAS SLUDGE OR "GEL" IN THE OIL THAT WAS RELEASED WHEN HE REMOVED THE HEAD FOR SERVICING. AFTER CHANGING THE OIL HIMSELF TWICE, MY HUSBAND SAW THE OIL LIGHT GO OFF. THINKING THAT IT WAS SAFE TO DRIVE, WE TOOK IT ON THE HIGHWAY THE NEXT DAY. WITHIN 100 MILES THE ENGINE FROZE, LEAVING US STRANDED ON A MAJOR INTERSTATE. CURRENTLY, THE DEALER IS REFUSING TO FIX THE PROBLEM EVEN THOUGH TOYOTA RECENTLY SETTLED THIS PROBLEM WITH THE OWNERS OF THE 2002 MODELS. OUR VAN IS A 2003. THIS PROBLEM OBVIOUSLY...
#10198341 |
OUR 2003 SIENNA VAN (TOYOTA) HAS BEGUN THROWING BLUE SMOKE OUT THE EXHAUST. WE TOOK IT TO A MECHANIC THAT TOLD US THAT IT'S A VALVE,RING SLUDGE PROBLEM IN THE MOTOR . HE SAID IT'S BEEN HAPPENING TO THIS PARTICULAR MODEL . I RESEARCHED IT ON GOOGLE AND FOUND THIS WEBSITE FROM OTHER OWNERS OF SIENNAS. FROM WHAT I UNDERSTAND TOYOTA HAS NOT BEEN WILLING TO FIX THIS PROBLEM AND HAS IN FACT FOUND A "LOOPHOLE"THROUGH AN ACKNOWLEDGEMENT OF THE PROBLEM. SO, HERE I AM WITH MY COMPLAINT. HOPE THAT YOU CAN HELP US OUT AS I DO NOT HAVE THE FUNDS TO BUY A NEW ENGINE. THANK YOU. *JB

Other 2003 TOYOTA SIENNA Problem Areas

Latcheslockslinkages 11 complaints Vehicle Speed Control 11 complaints Latcheslockslinkagesdoorslatch 9 complaints Power Trainautomatic Transmission 7 complaints Structurebodydoor 7 complaints Tires 6 complaints Structurebody 5 complaints Fuel System Gasoline 4 complaints Seat Beltsrearother 4 complaints Service Brakes Hydraulic 4 complaints Suspension 4 complaints Electrical System 3 complaints Equipment 3 complaints Service Brakes Hydraulicantilocktraction Controlelectronic Limited Slip 3 complaints Structure 3 complaints Air Bags 2 complaints Service Brakes Hydraulicfoundation Componentsdiscrotor 2 complaints Child Seatharness Retainerchest Clip 1 complaint Electrical System12v24v48v Batterycables 1 complaint Electronic Stability Control Esc 1 complaint Engine And Engine Coolingengine 1 complaint Engine And Engine Coolingexhaust Systememission Controlcatalytic Convertor 1 complaint Equipmentelectrical 1 complaint Latcheslockslinkageshoodlatch 1 complaint Power Train 1 complaint Power Trainautomatic Transmissionlever And Linkagecolumn Shift 1 complaint Power Trainaxle Assembly 1 complaint Seat Belts 1 complaint Seats 1 complaint Service Brakes 1 complaint Service Brakes Hydraulicfoundation Components 1 complaint Service Brakes Hydraulicfoundation Componentsdisc 1 complaint Service Brakes Hydraulicfoundation Componentsdiscpads 1 complaint Service Brakes Hydraulicfoundation Componentsdrumshoeslinings 1 complaint Steering 1 complaint Steeringgear Box Other Than Rack And Pinion 1 complaint Steeringhydraulic Power Assistpower Steering Fluid 1 complaint Steeringlinkagestie Rod Assembly 1 complaint Structurebodydoorhinge And Attachments 1 complaint Structurebodyhatchbackliftgate 1 complaint Structurebodytailgate 1 complaint Structureframe And Members 1 complaint Tirestreadbelt 1 complaint Visibility 1 complaint Visibilityglass Siderear 1 complaint Visibilitysunmoon Roof Assembly 1 complaint Visibilitywindshield 1 complaint Wheelslugsnutsboltsstuds 1 complaint
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