Ford Expedition Engine Backfire

What Would Cause The Suv Listed Above To Sputter And Backfire? It Feels Like It's Not Getting Enough Power Also Barely Accelerates. It...

My Suv Stalls All Of The Time It Backfires Every Now And Then. Sometimes I Have To Crank It 2 Or 3 Times Before It Starts. It Has A Very Low...

When I Go To Take Off It Sputters Really Bad And Doesn't Have Very Much Power If I Push On The Gas Then It Takes Off And It'll Backfire But...