Well my car is throwing a code 43 fuel supply issues....it was fine 2 days ago now this pops up i just want to fix it and be done lol please help me out im not sure what it is.
it wont run good then the check engine light comes on and it runs fine......
btw here is mod list for everyone
B20B stock
ls tranny
stock intake
stock headers
buddyclub spec 2 exhaust
stage 2 clutch
new sensors

i was told it could be my fuel injectors or my regulator...all is stock but im not sure whats going on??? thanks in advance and i have searched and nobody else has covered this throughly enough for me to fix it. thanks!!

 

Measure whether the fuel pressure is at spec with and without the FPR connected.

 

thanks i will check it it weird cause sometimes it run just fine and sometimes not