2017 Toyota Sienna Engine Problems
7 owner-reported engine complaints from NHTSA data
Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.
Owner Complaints (7)
Your engine stalled without warning while driving on the highway, then emitted white smoke from under the hood and failed completely at 111,000 miles. The owner reports that many 2017 Siennas have experienced fuel pump failures causing similar stalling, though Toyota indicated no recall applied to this vehicle. Repair costs were estimated at $15,000. The issue likely involves a fuel pump replacement or related fuel system components.
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Your Sienna occasionally loses power while driving at around 35 MPH, then suddenly jerks forward. You've noticed a warning light come on, and this problem has gotten worse over time. A mechanic couldn't identify the cause, so the issue remains undiagnosed and unfixed. The problem started around 69,000 miles and likely involves a fuel delivery or ignition system check.
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Your car makes a whining noise when you accelerate. This noise typically comes from the engine area and becomes noticeable when you press the gas pedal. The issue may be related to a worn serpentine belt, power steering pump, or alternator that needs inspection or replacement.
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Engine stalls and stutters. Check AWD light comes on dashboard
Vehicle began running harshly, then stalled. Check engine light came on. Upon inspection at Toyota dealership, found to have leaked fuel into charcoal canister. Vehicle owner does NOT overfill gas tank.
TL* THE CONTACT OWNS A 2017 TOYOTA SIENNA. WHILE DRIVING 35 MPH, THE CONTACT HEARD A POPPING SOUND COMING FROM THE ENGINE. SIMULTANEOUSLY, ALL OF THE WARNING INDICATORS ILLUMINATED AND SMOKE APPEARED FROM THE HOOD OF THE VEHICLE. THE VEHICLE IMMEDIATELY SHUT OFF AND WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THE WATER PUMP WAS REPAIRED; HOWEVER, THE FAILURE WAS NOT CORRECTED. THE CONTACT SPOKE WITH THE TOYOTA MANUFACTURER WHO ADVISED HIM TO TAKE THE VEHICLE TO A LOCAL TOYOTA DEALER. THE VEHICLE WAS TOWED TO HILLSIDE TOYOTA (139-65 QUEENS BLVD, JAMAICA, NY 11435, (718) 521-4554) WHERE IT WAS DIAGNOSED THAT THERE WAS MASSIVE ENGINE FAILURE. THE CONTACT AGREED TO HAVE THE VEHICLE REPAIRED AND THE DEALER KEPT IT FOR NEARLY A MONTH. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 67,000.
THE VAN IS BURNING OIL. TOYOTA DID AN OIL CONSUMPTION TEST AND IT IS CONFIRMED TO BE BURNING OIL. THEY ARE NOT BEING HELPFUL IN HELPING ME OUT....