2001 Chevrolet S10 4.3 V6 Belt Tensioner and Timing Belt Replacement

[@baldemarcazares8391]

Hey i have the same truck 01 s10 ls v6 and sometimes when i turn it on ,as i accelerate, it stalls and its slugish , and once it gains speed it goes away ,any thoughts ? Ive changed the injectors ,spark plugs and cables , timming belt