I just installed the twin power to my fd earlier today went to start it up and the car idles really bad with alot of break up. I searched around and could not find a solution. Any help???

 

Did you use the plug-and-play harness or did you wire yourself?

 

its plug and play. but it just turned out to be a vac line to the boost sensor was unplugged. however after the install i still have a break up aroung 5-6k rpms.

These are the mods

full exhaust
apexi intake
pettit stage 3 ecu
hks twin power

Things changed since problem

new ngk plug and wires

also would like to add the car did not have a problem prior to any modifications done

any help would be great and please no one tell me to use the search button been there done that

 

Have you grounded the unit properly? A good ground is important for ignition sources.

 

Definitely check your ground and make sure your wires are installed properly.

 

What's your boost level at 5000-6000 rpms?