I believe I have wiring diagrams, or at least pinouts, in a spreadsheet at home. I'll look tonight if it's not too late.

The four cylinder ecm's are not well supported. GM was kind enough to sell two different 2.2 engines in Cavaliers from 2002 to the end of the model. You attached wiring diagrams for a 2001 - 2003...

I honestly can't remember ifyou can run the OBDII controls without the BCM. I spent some time on J-body.org looking at old posts but I couldn't find an answer. I believe the BCM is married to the...

Without O2 feedback there isn't much to learn other than IAC position.

HPTuners:
https://www.hptuners.com/order.php

I love four cylinder racing classes. There were several guys on j-body.org that were into the 2.2 engines several years ago and we came up with some good tricks. One of the forum members and a...