swapped a d15 vtec and a p28ecu in my 93 lx and it starts up and runs but surges up and down during idle (around 1500rpm). Any ideas to help fix this problem?

 

cel codes
14- Idle Air Control (IAC Valve)
19 - Lock-Up Control Solenoid Valve A/B (A/T)

why am i getting an auto tranny code when the ecu in manual and so is my tranny
iac valve is where? and whats wrong with it?

 

well the motor surge sounds like a typical problem with alot of hondas.. i think i have it myself.... but it does go away after awhile....

http://s40.photobucket.com/albums/e2...eanedup-24.flv

since it goes away it doesnt bother me.LOL

 

http://www.standardbrand.com/web_app...517%5F4Q%2EPDF++++++++++++++
go to page 2 where it says honda idle problems