hey guys i just put a b20 in my hatch and there seems to be a few problems with how it is performing right now. when the car is cold it runs like a champ but when it warms up it starts to bogg and hesitate when you press down on the throttle. few things about it. its a b20b with a phearable chipped ecu, exhaust, intake,ngk plugs and wires, and its throwing the iac sensor code thats it.

any ideas would be greatly appreciated.

 

Try cleaning the IAC, it's the code it throwing so it MIGHT be bad.

 

i cleaned it before i put in the motor. its bogging bad enough that i can barely beat sohc non vtec. the reason why its throwing the code is because it was grounded wrong.

would the iac cause that bad of a power loss, bogging, and hesitation?

 

double check ya timing.when i did my ls swap i had the same thing i redid the timing and it came alive

 

as in dizzy timing or cam timing. i set it back to the middle after messing with it. all the local ppl keep telling me that but i kinda lost hope that its the timing after messin with it for hours. ill recheck it though.

 

i doubt its the timing then... This sounds like the same problem I had with my Sohc v tec. it turned out to be the TPS Sensor.


Could be the MAP Sensor Also. They Both Will do what your talkin About.

 

just put in anotehr map sensor and its acting alot better. im gonna try driving for a day and see if a can and my friends can tell a difference and then i'll post up the results.

thank you so much.