i m run 2.8 smoothflow pulleys with 60 ibs injector cooling mod(dual pass,optionb,cobra he),bad mab headers,zzp dp 3 inch to 2.5 offroad(no cat)and stock catback. At 3400rpm half throotle and boost 10.5,4500rpm13 psi and 6500 rpm 14.5 to15 psi pedal of the on the floor no difference and my vaccum when release to the gaz my vac drop -23 and stopped between -21at-18 to vac i have change all hose to actuator by pass valve and solonoid by pass valve and hose connect to intake manifold ,i have change gasket manifold intake and exhaust and gasket sc ,i have always po300 at idle and when run po300, po1133 and po420 but my tuner i putoff (disable 420)detect by aeroforce interceptor no cel,map sensor faulty ,throttle body or defect actuator by pass or solenoid some body the other idea or to try out i m talk to me thank you

 

what the hell did i just tried to read???

 

do not understand my post

 

Did you put your bypass valve on backwards? Cuz it will cause this issue

 

[QUOTE=jp1600;6580411]Did you put your bypass valve on backwards? Cuz it will cause this issue[/QUOTE
im check my connection

 

This! Lol

 

im check the connection and check with pic to you tube and my connection its ok

 

For real! Lol