would a primary O2 sensor that is going bad, but not bad enough to throw a code could cause this?
wouldn't be the first thing I check, but seems like you've covered almost everything already. I had similar symptoms when mine went bad
As a california transplant who came from wisconsin, you are a lucky SOB lol. CARB is ridiculous....
If you're going to turbo it, you will need a new ECU anyway, no? Why not wait until then. The ULEV F23A1 is 150 hp, the same as the other F23s so you aren't missing out. The major restrictions in...