Sounds to me something to do with the cams. maybe the timing of the engine is out of whack and the internals are whacking each other which hopefully it isn't. Im no expert so I wouldn't fully think this is the issue just an assumption with issues with Dual vvti. The timing chain, chain tensioners, rocker arms, valve springs, vvti cams gears, etc Honda. Honda's latest 3.5-liter V-6 that powers the new Pilot switches to a dual-overhead-cam design, the first naturally aspirated DOHC V-6 in any Honda or Acura since the first-generation NSX 2013 Toyota RAV4. Replacing a water pump costs $70-$150 part plus $200-$350 labor plus extra coolant. We have found a number of complaints about the infotainment system failing in the 2014 model. The audio system may keep rebooting or simply stop working. Problems with the infotainment system are not isolated to Toyota. The all-new 1.33-litre Dual VVT-i engine represents the latest in Toyota lightweight powertrain technology. Benefiting from Toyota's motorsport experience, where compact and powerful engine design is crucial, the new unit is 54mm shorter and 127mm narrower than the previous 1.4-litre VVT-i and weights 13kg less. The result is a four-cylinder This article will describe attributes of the original 1GR-FE engine and include details of the differences with the upgraded, 'dual VVT-i 1GR-FE' engine in turn. 1GR-FE Toyota engine. Engine Trans. Years Peak power Peak torque. Toyota Mk.7 Hilux 4.0-litre petrol V6 5sp auto 2005-15 175kW at 5200rpm 376Nm at 3800rpm. ZKgB.

dual vvti engine problems