did the mpfi swap im getting a code 16 injectorts switched the injectors out same thing checked the resister box everything is wired right loud noies comeing from intake deep deep noise and it uses alot of gas an ideas also in limp mode i have 5 inch tach and its not reving past 4 k rpm!!!

 

You need a 3" tach.

Seriously, you may have used the wrong injectors. What car did they come from?

 

the 5 INCH WAS FREE TEZO R BUDDY ! in i have hf injectors and si which there both the same ive check ever thing i can think of and none of yall r helping i ve posted this 5 or more times but yall think yall no every thing but dont say anything at all just cocky remarks not saying you are or anything!

 

I can't understand a thing you just typed???