Mercury Mountaineer Engine Noise

I Have A 2006 Mercury Mountaineer Sounds Like A Exhaust Leak On Passenger Side And Backfires Thru The Manifold. It Won't Go Up Hills Without...

Theres A Squeeling Noise Coming From Under The Hood Oy When The Truck Is In Drive And I Accelerate A Little Hard. It Doesnt Do It In Park Or...

I Was Turning Then Hit The Gas Then The Car Started Making A Fluttering Noise Like The Exhaust Was Under The Hood Instead Of The Muffler And...