2017 WRB BRZ w/PP
Could this be an o2 sensor gone bad? Or maybe just reset the ECU to learn the new cat? Thoughts anyone?
I will try, but I dont know if it will do it at idle. I'll give it a shoot tho.scoobaroo said:post a vid or sound clip plz
Well, I tried this today and as soon as I hit 5th gear driving normally at ~55 mph, it started doing it again. It drive fine the whole time until I hit the highway tho. I'm at a loss as to what the problem could be. How long does it take to throw a CEL? I'm don't know if I should have the stock cat section put back in or order up a new o2 sensor. I hate to say it, but I'm starting to hate my car at this point.Storm said:Go to the autocross. Before you go, reset the ECU again and let it idle up to full temp before driving. Then drive normally to the event....you should be good to go.
Thats just it. When I had it installed, the only other work I had done was my rear wheeel bearings replaced and the install of my 2pot rears, backing plate style. So the only thing that has changed is the cat section and the rear brakes on the car.Storm said:I'm starting to think it's something unrelated to the HFC. Go over everything you had your hands on while under there and check under the hood for something else outta whack.
Too many people have gone with a HFC or no cat and not had any problems.....