possible problem with 50lb injectors

11secty

New member
well i ruled out the ring problem in my truck since theres no blow by in the pcv system

i pulled otu the plugs and number 1 3 5 and 2 are super black so i turned the base fuel pressure down to 45 to try to clear it up. didnt work so now i'm thinking that the used set of 50 lb injectors i bought might be junk
my a/f is 25. something at idle and when i put it in druive it goes to 9.5
 
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