need sum advice here. i jus did a b18c1 swap into my ek hatch. everything went smoothly but ran into a problem. my car keeps idling up nd down 4rm 1.5 to 1.6 rpm.nd on top of tat wenever i drive it feels like my car is choking everytime i step on or let go of gas. talk 2 a couple ppl nd they said i either need a b series fuel pump or sumthing wrong wit my iac. iwana see wat u guys think b4 i do nething to it.

 

for starters, what type of ecu are you using?

 

fuel pump and iacv are generic answers
answer these questions for us
what obd is your car
what obd is the motor
what ecu are you using
have you switched any wires yet?

 

my car is obd2 with obd1 conversion for the b1bc1 using a p72ecu. about the only major wiring i did on it was for the vtec and tats it