Does any one has problem with boosting when installed Apexi AVC-R ?? I just installed AVC-R, and it only can boost up to 5 psi .... before can go 8 psi to 10psi.

If the AVC-R screen has nothing come up but the orange is appear, what do you guys think ??? Need a new AVC-R ?? or just the wire connection problem ??

 

well check all the wires..since there is only 6 it shouldnt be a problem.....
if those check out..then yeah maybe you toasted it

 

yea check the wires but more than likely it is bad.

 

i wish you luck finding the problem. once you get it working it is an amazing controller. mine is very accurate and as you know it presents lots of control options. don't forget to check the hosing and wiring to the map sensor...

howard coleman

 

i dont think your contoller is coming on. i had a avc-r installed and when i had it set to "off" instead of the a/b settings my psi went down to about 7psi. also as someone said check ALL of your connections. make sure you didn't knock a vacuum tube loose when installing. its a good controller once you get it working.

 

can i use circuit tester to check it....??
Connect the tail to the ground and turn on the key to check the signal ??? right ??

 

Do you guys have diagram for 93 ECU ???

 

its on apexi's website......

 

i actually had a the same problem with the buttons illuminated but no screen. i later found i had accidently cut an earth wire for the avcr.

 

do you mean the ground wire or wires ??

 

thax for all of you guys.... i fixed it
it is working fine....
Problem: One of the ground had broken

 

haha had me baffled for a while too