mike cox
Newbie
98 3/4 4x4 vortec 454. 230000 miles. about a month go going down the road it sputtered then went back to normal,,yesterday going down the highway.it sputtered twice and died,,wont restart..is getting and holding pressure,has spark..when it cranks it acts like its trying to back fire,,timing chain maybe ? is there anything other than the chain that would cause it to not start...ive never seen a chain act like this when they fail the fail,, its not showing codes