Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB - View Single Post - Rough idle leads to stall, runs well under load, no engine response on throttle blip

kev0 · 08-27-2021, 07:36 PM

Record your fuel trims. See what their behaviour is when idling and under a bit of gas. If the numbers sway closer to 0 when giving it gas, you got yourself a good ol' vacuum leak.

08-27-2021, 07:36 PM	#8
kev0 Senior Member Join Date: Feb 2018 Drives: '14 Location: Midwest Posts: 485 Thanks: 246 Thanked 99 Times in 76 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Record your fuel trims. See what their behaviour is when idling and under a bit of gas. If the numbers sway closer to 0 when giving it gas, you got yourself a good ol' vacuum leak.