Chevy siverado 1994 c1500 305
Hey guys i really need help i dont know whats
wrong with my truck it runs good when i throw it in
drive and revers but when it sits there and idols it
starts to bog down like it wants to cut off and it
does after a while and if changed the distributor ,
the oxagen scensors, spart plugs, everything idk
what the heck is the problem