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Old 06-23-2022, 12:24 PM
Bad Luck Bad Luck is offline
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Bad Luck Bad Luck is offline
Senior Member
 
Join Date: Feb 2019
Location: Hot Springs, AR
Posts: 4,410
Real Name: Patrick
Bad Luck has a reputation beyond repute Bad Luck has a reputation beyond repute Bad Luck has a reputation beyond repute Bad Luck has a reputation beyond repute Bad Luck has a reputation beyond repute Bad Luck has a reputation beyond repute Bad Luck has a reputation beyond repute Bad Luck has a reputation beyond repute Bad Luck has a reputation beyond repute Bad Luck has a reputation beyond repute Bad Luck has a reputation beyond repute
Quote:
Originally Posted by chapolito View Post
Thanks! I do have an ultraguage. Just drove around and tested and am not seeing the number fluctuate at all—held steady around 16% when cruising at 30mph. It is most pronounced around that range, but I do feel it at different %.

One thing I noticed this time that wasn't as clear before is that IS rhythmic, but not consistent. might fade or come back, but is on tempo wa-wa-wa-wa-wa........wa-wa.......wa-wa-wa-wa..... etc. this happens throughout it being at a steady TP% I've noticed a similar oscillation in the engine sound while cruising, but without the stuttering.

I did notice the short trim varies +/- 3%, but I think that is normal? It also only feels like momentary loss in power, not up and down, which is what I would expect if it was bouncing between rich/lean?
Short term fuel trims will vary. I see as much as +/- 10% between shifts or releasing the throttle in gear. Maybe someone with a 3RZ/manual will chime in with some things to check. Only one I can think of is @UnderFire
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