Gen 9 Problems/Service Issues/Troubleshooting
hi there
I have 2018 Malibu ls 18k on it , the problem is when I hovering rpm at 1300-1500 on any gear p n d the car shake with booming sound in the cabin ,the engine mount in perfect condition & exhaust too ,the car has no check engine light, and the car work fine one any rpm except the 1300 to...