2025 MAZDA CX-50 HYBRID Engine Problems

First issue: Rough idle at start. The interior cabin vibrates enough to question the vehicle quality. The rough idle lasts about 40 seconds then engine switches to smooth vibration. It's actually unnerving. Second issue: it's well known in 2025 Mazda installed the Toyota RAV4 hybrid engine and transmission into the CX-50. The current ICE engine model had to be modified. As a result there are some structural issues that may become problematic. The front passenger door scrapes against the interior fender. During manufacturing to cover up the defect Mazda purposely offset the passenger side fender mask the defect. This should seriously can into question the structural integrity of the vehicle. The primary concern is by offsetting the fender have the impacted the ability of the crumble zones in this area? Additionally, the front passenger door may become stuck since there is no uniformity in the panel alignment. This should raise...

Check engine light came on at 600 miles. Took it to the dealer and the code was a p3400 code, cylinder deactivation fault. The dealership replaced both solenoids, part #PYFA-12-360A, found metal in OCV valves. When we got the car back I changed the oil, cut the oil filter open and found large metal shavings. At about 1300 miles the same check engine light came on. Back to the dealership with the same code. Now Mazda says to replace the head.