Running rich on accel but clean logs
#1
Evolving Member
Thread Starter
Running rich on accel but clean logs
So went on a 'spirited' cruise up the mountains with some mates on the weekend and everyone who followed me was commenting how rich my car was throwing clouds of black smoke behind it as I'm hitting boost. Leaving them choking/poisoned in my wake. Lol.
The car logs pretty clean AFR's on a 3rd gear pull, with AFR's tapering down to mid-low 11s and not hitting 10s at any point. I logged a couple of 2-3rd gear hits, or just a rolling hard stab of the throttle in 3rd and again AFR's seem OK to me, not getting stupidly rich or anything with low/flat 11s.
Just wondering if there's anything I should be looking for to eliminate this overfuelling somewhere in the process? I was thinking 'Accel Enrichment (Incorrect)' or perhaps 'Async_Accell_Enrichment' tables, but from what I've seen, nobody touches these?
So maybe I just need to log more to reproduce the behaviour and lean out the fuel map in those areas coming on to boost?
The car logs pretty clean AFR's on a 3rd gear pull, with AFR's tapering down to mid-low 11s and not hitting 10s at any point. I logged a couple of 2-3rd gear hits, or just a rolling hard stab of the throttle in 3rd and again AFR's seem OK to me, not getting stupidly rich or anything with low/flat 11s.
Just wondering if there's anything I should be looking for to eliminate this overfuelling somewhere in the process? I was thinking 'Accel Enrichment (Incorrect)' or perhaps 'Async_Accell_Enrichment' tables, but from what I've seen, nobody touches these?
So maybe I just need to log more to reproduce the behaviour and lean out the fuel map in those areas coming on to boost?
#3
Evolving Member
Thread Starter
No I didn't but that's a good point. So the car will run richer as altitude increases as you're adding same fuel with less air density?
The car was tuned at around 580m/1900ft above sea level and we were up as high as 1400m/4880ft at some points on our cruise.
The car was tuned at around 580m/1900ft above sea level and we were up as high as 1400m/4880ft at some points on our cruise.
Thread
Thread Starter
Forum
Replies
Last Post
Boltz.
For Sale - Cars For Sale
22
Jan 12, 2013 12:01 AM
dli03
Evo Engine / Turbo / Drivetrain
1
Apr 23, 2010 06:00 PM
Charlie_B
ECU Flash
10
Apr 27, 2009 09:52 AM
mrfred
ECU Flash
33
Apr 1, 2009 05:00 PM
Evo8Emperor
General Engine Management / Tuning Forum
3
Nov 4, 2007 06:24 AM