Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB - View Single Post - Can anybody explain why my STFT & LTFT take a dump randomly?

Kodename47 · 01-04-2019, 07:19 PM

Well you're way too rich all the time in closed loop, hence the really high negative trims. Either the tune is off, you have a leak post MAF or dodgy injector. Or the O2 sensor could be shot due to running rich all the time.

01-04-2019, 07:19 PM	#3
Kodename47 Senior Member Join Date: Oct 2012 Drives: UK GT86 Location: UK Posts: 3,040 Thanks: 185 Thanked 1,633 Times in 1,113 Posts Mentioned: 156 Post(s) Tagged: 1 Thread(s)	Well you're way too rich all the time in closed loop, hence the really high negative trims. Either the tune is off, you have a leak post MAF or dodgy injector. Or the O2 sensor could be shot due to running rich all the time. __________________ .: Stealth 86 :. Abbey Motorsport/K47 Tuned Sprintex 210 Supercharger Kodename 47 DJ: Soundcloud / Instagram / Facebook