What ECU should I use or can I use??

[WetWilly]

I am doing a mpfi swap onto my auto 89 crx and was wondering which ECU would work best.

 

[BseriesKllR]

a auto 88-91 crx si ecu.

 

[WetWilly]

I thought they didnt come out with that

 

[radnulb]

PS9 90-91 Ex is what he meant to say. You'll have a REAL hard time finding one - 88-89 auto Teg PG7 would be easier, just mke sure it is a 88-89 not 86-87