Q: what causes my blazer to miss fire on the number four plug when it gets warm
on 2001 Chevrolet Blazer

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
when put on the computer it shows the number for plug to be miss fireing but it only does it when it get warm up
(1) Answer
(1) Comments
ok ive changed the plug wires the rotor,distributer cap,plugs coil pack and the spider full injection valve its still running rough and computer is reading number 4 cylinder miss fire but it only starts to run rough when the engine is warm any other suggestions what am i missing here help please
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