TOYOTA 4RUNNER TIMING BELT

Ok I Took My Truck In To Have Timing Belt Replaced And Ever Since The Check Engine Light Has Been Coming On. Shop Would Not Stand Behind It...

If You Lose Your Timing Marks While Replacing The Belt, How Do You Get Them Back? Do You Set The Crank Pulley Mark At A Specified Degrees...

I Changed The Timing Belt With The Timing Belt Kit From Autozone. My Problem Is That After I Set The Timing Marks Up Like The Say And Then...