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2012 TOYOTA Sienna
Vehicle Summary
The 2012 Toyota Sienna is a versatile multipurpose passenger vehicle (MPV) with a 3.5L V6 engine, offering 266 horsepower. Built in Princeton, Indiana, this minivan features a water-cooled, dual overhead cam (DOHC) engine with multipoint fuel injection (MPFI). It includes comprehensive safety features with airbags in all rows and a direct tire pressure monitoring system. The Sienna's 4x2 drive and spacious five-door design make it a practical choice for families.
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2012 TOYOTA Sienna
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Complete Specifications
Known Issues for This Vehicle
Oil leaks
The Toyota 2GR-FE engine is known to develop oil leaks, often from the valve cover gaskets or the timing chain cover. Over time, gaskets may degrade and lead to oil seepage.
Water pump failure
The water pump on the 2GR-FE engine may fail prematurely, leading to coolant leaks and overheating issues if not addressed promptly.
Vvt-i oil line failure
Some models with the 2GR-FE engine may experience failure of the rubber portion of the VVT-i oil line, resulting in oil leaks and potential engine damage if not replaced with an updated metal line.
Ignition coil failure
The ignition coils on the 2GR-FE engine can fail, leading to misfires, rough idling, and a decrease in engine performance.
Throttle body issues
Carbon buildup in the throttle body can cause rough idling and stalling. Regular cleaning is recommended to prevent such issues.
Timing chain tensioner noise
The timing chain tensioner may produce noise due to wear or loss of tension, leading to rattling sounds from the engine compartment, especially on cold starts.
Intake manifold gasket leak
Some vehicles with the 2GR-FE engine may experience intake manifold gasket leaks, resulting in vacuum leaks or coolant entering the intake system.
