b20 motor swap.. IACV problem


M

mcneil

New Member
Joined
Oct 7, 2008
Messages
19
hey guys...

I just put my B20 into my car last night.. finsiehd up around 4am... :(

When it was all done started up, its idling around 1900... and surging...

I did a little researching looking at the pin outs of the harness and ECU from the integra ECU and my civic Wiring harness.....

Noticing that the civic uses a12, 13, and 14 on the harness, but the integra ecu only uses a12 as a driver for IACV and the other wire goes unknown????

I have the full manual with all the wiring diagrams, and it showed the second wire going from the plug, to the letter H, and then i cant find the letter H anywere else on the wiring diagrams to figure where it goes :S:S:S Im kinda confused on exactly were it has to go..
.

any help is apprechiated.

thanks guys!
 
What car have you put it in to? and what was the previous engine installed? Is the MIL light showing?
 
the car is a 96 civic CX hatch...

previuos engine d16y7 mini me vtec z6...

Engine light is on, for 10, 14, 41, 54, 65


14=IACV
41=primary
65=secondary


i havnt had a chance to cut the harness open to move the o2 sensors from the front of the harness to the back so i can hook up the o2 sensors
.. could that be an idle problem?
 
Try disconnecting the IACV plug when engine is running at normal operating temp. And see if the idle improves, It should be nearly at the point of stalling when disconnected. After you prove that the IACV is working I would try taking it out and cleaning it with some brake cleaner.
 
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