Ok I think my problem is that I was running a E47 tune and I still had a little over 1/4 tank and I filled up with 91, changed the tune to 91. But now it seems to Pop and lose power at different RPM's and boost psi. I hope its just the fuel and not my waste gate solenoid going. I get no codes, no power reduced light. Runs perfect under light driving, but even with medium acceleration it cuts out. Has anyone had this problem? Im almost sure its not a boost leak. I have had that problem and I normally get jerky throttle when that happens. Other then filling up my tank with fresh gas where should I start?

 

Post video. Is it popcorn popping? If so you need to have your injector seals replaced most likely.

 

Just got a code for the turbo/supercharger bypass valve (mechanical) I greased up my forge bpv I think maybe it was getting stuck.

 

New cel today [ECM] P0089 - Fuel Pressure Regulator Performance (SES) (Old) (History) (Immature)
[ECM] P0089 - Fuel Pressure Regulator Performance


I think i need to change the o rings on the 3 bar sensors.

 

No, injector seals or look at your tune for pressure droppage

 

You can't run a 91 tune with E30 and expect it to run correctly.

 

But i dont get a machine gun like popping. And the other day I took out the 3 bar sensors and then re tightened them and it kinda went away until I got this new code? I ordered the o-rings already because i never put the correct ones on from the beginning I left the green ones on.

 

Runnings 91 and on the 91 tunes. No e85 right now... I always change the tune when I change fuel.

 

Yes, video. Or more description on when this occurs. (Boost pressure, rpms, etc.)

 

Tried to take it on a run right now to get it to do it and now it seems fine. I still think it is the o rings for the sensors anyone have this happen?

 

Without the correct o-rings, you will definitely have a small leak.

 

You throw a fuel pressure code and that makes you think its the MAP sensors??

It would be EXTREMELY coincidental for your MAP sensors to all of a sudden be bad right after you make a change to the fuel mix and tune on your car. Sounds like it was just clearing out the funky gas mixture.