cam
Full Member
Karma: +10/-1
 Offline
Posts: 128
|
 |
« on: July 15, 2014, 03:51:04 AM »
|
|
|
Hello to all,
i have problem with my Audi TT 1.8T APX, rebuilded with all forged, turbo GTX3076R, TIAL BOV and WG. With previous turbo GT2871R was all good too.
All was good (480HP and 530Nm) and at one ride suddenly power loss and bad A/F ratio - about 9-9.9:1 and very unstable idle.
I have issue now with idling and revs falling at idle - when i have maf connected will stall and without maf seems much better but not good - all was ok but at one ride suddenly power loss and very bad fuel ratio. After long tests we hoped that is alternator. Today changed and same state.
Have anybody any idea what can be wrong?
Thanks all for anything.
|
|
|
|
|
Logged
|
Cadillac Escalade Platinum ESV 6.2 V8
Audi S4 B5 2.7 BITURBO AZB
Audi TTQ 225HP APX (GTX3076R, 875cc, Integrated Engineering intake manifold, TIAL WG, TIAL BOV) sold
Audi Q7 4.2TDI V8 sold
Yamaha YZF-R1, KAWASAKI GTR1400
WinOLS, EVC OLS300 online emulator, EVC BDM, EVC BSL, Autotuner, CMD, Galletto official, Innovate LC-1, 2wd dyno, EVC dealer
|
|
|
|
TCSTigersClaw
|
|
« Reply #1 on: July 15, 2014, 04:19:38 AM »
|
|
|
Really without any logs , nobody can help you....
|
|
|
|
|
Logged
|
VAG cars newbie tuner  |
|
|
cam
Full Member
Karma: +10/-1
Offline
Posts: 128
|
|
« Reply #2 on: July 15, 2014, 05:10:46 AM »
|
|
|
Great answer mate, logs on idle, all seems good (MAF, injection time, temperatures, ..) this would be some hidden crap ... with diagnosis we spend much time  We are not newbies but in this case we dont see anything and anybody who solved same issue is needed ... Above idle all works good and still have 480HP and 530Nm on dyno ... ONLY AT IDLE I HAVE ISSUE ... |
|
|
|
|
Logged
|
Cadillac Escalade Platinum ESV 6.2 V8
Audi S4 B5 2.7 BITURBO AZB
Audi TTQ 225HP APX (GTX3076R, 875cc, Integrated Engineering intake manifold, TIAL WG, TIAL BOV) sold
Audi Q7 4.2TDI V8 sold
Yamaha YZF-R1, KAWASAKI GTR1400
WinOLS, EVC OLS300 online emulator, EVC BDM, EVC BSL, Autotuner, CMD, Galletto official, Innovate LC-1, 2wd dyno, EVC dealer
|
|
|
|
nyet
|
|
« Reply #3 on: July 15, 2014, 10:08:57 AM »
|
|
|
So you didn't post logs because you couldn't find anything wrong with them... but you want help figuring out why your idle is bad?
I'm very confused :/
|
|
|
|
|
Logged
|
ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
|
|
|
cam
Full Member
Karma: +10/-1
Offline
Posts: 128
|
|
« Reply #4 on: July 15, 2014, 12:46:28 PM »
|
|
|
No, i trying find somebody who had the same issue ... before about month i made several logs for many peoples and nobody found something - therefore i wrote for what logs, did you understand me?
Can make new logs of course, so what do you want logs exactly? Cold and hot or some special? I using ME7 logger.
Thank you.
Any help appreciated.
|
|
|
|
« Last Edit: July 15, 2014, 12:48:03 PM by cam »
|
Logged
|
Cadillac Escalade Platinum ESV 6.2 V8
Audi S4 B5 2.7 BITURBO AZB
Audi TTQ 225HP APX (GTX3076R, 875cc, Integrated Engineering intake manifold, TIAL WG, TIAL BOV) sold
Audi Q7 4.2TDI V8 sold
Yamaha YZF-R1, KAWASAKI GTR1400
WinOLS, EVC OLS300 online emulator, EVC BDM, EVC BSL, Autotuner, CMD, Galletto official, Innovate LC-1, 2wd dyno, EVC dealer
|
|
|
panos1975
Full Member
Karma: +7/-6
Offline
Posts: 105
|
|
« Reply #5 on: July 16, 2014, 10:52:11 AM »
|
|
|
i had similar problem today with AUDI S3 model 2002 BAM engine(wideband) with similar specs like yours(GT3076R, 660cc injectors,etc...)and the problem solved after lambda sensor replacement(the first one, in front of catalyst)
|
|
|
|
|
Logged
|
|
|
|
|
TCSTigersClaw
|
|
« Reply #6 on: July 17, 2014, 10:25:49 AM »
|
|
|
Great answer mate, logs on idle, all seems good (MAF, injection time, temperatures, ..)
 Logs on idle can be very useful..I don`t know why you are being sarcastic. Anyway it can be lot`s of things BUT you have to log. With O2 voltage for example you may figure out if something is wrong with your λ sensors |
|
|
|
|
Logged
|
VAG cars newbie tuner |
|
|
cam
Full Member
Karma: +10/-1
Offline
Posts: 128
|
|
« Reply #7 on: July 17, 2014, 12:02:49 PM »
|
|
|
I wrote why i am sarcastic, maybe much, sorry.
Today tried second lambda, injectors, maf, now we will change both water temp sensors and tomorrow will make some logs.
One thing is that o2 control is still inactive.
|
|
|
|
|
Logged
|
Cadillac Escalade Platinum ESV 6.2 V8
Audi S4 B5 2.7 BITURBO AZB
Audi TTQ 225HP APX (GTX3076R, 875cc, Integrated Engineering intake manifold, TIAL WG, TIAL BOV) sold
Audi Q7 4.2TDI V8 sold
Yamaha YZF-R1, KAWASAKI GTR1400
WinOLS, EVC OLS300 online emulator, EVC BDM, EVC BSL, Autotuner, CMD, Galletto official, Innovate LC-1, 2wd dyno, EVC dealer
|
|
|
|
userpike
|
|
« Reply #8 on: July 17, 2014, 04:35:31 PM »
|
|
|
What happens after you reset the ECU's adaption values?
|
|
|
|
|
Logged
|
|
|
|
cam
Full Member
Karma: +10/-1
Offline
Posts: 128
|
|
« Reply #9 on: July 18, 2014, 01:18:11 AM »
|
|
|
Nothing - absolutely nothing  Before when reset was made causes change of sound and made adaptations. I have every important parts twice - ecu, o2, injectors, intake manifold flap, .. Mechanicaly all is good, timing correct, no air leak. |
|
|
|
|
Logged
|
Cadillac Escalade Platinum ESV 6.2 V8
Audi S4 B5 2.7 BITURBO AZB
Audi TTQ 225HP APX (GTX3076R, 875cc, Integrated Engineering intake manifold, TIAL WG, TIAL BOV) sold
Audi Q7 4.2TDI V8 sold
Yamaha YZF-R1, KAWASAKI GTR1400
WinOLS, EVC OLS300 online emulator, EVC BDM, EVC BSL, Autotuner, CMD, Galletto official, Innovate LC-1, 2wd dyno, EVC dealer
|
|
|
cam
Full Member
Karma: +10/-1
Offline
Posts: 128
|
|
« Reply #10 on: July 18, 2014, 07:33:16 AM »
|
|
|
Log attached - first part with disconnected MAF.
|
|
|
|
|
Logged
|
Cadillac Escalade Platinum ESV 6.2 V8
Audi S4 B5 2.7 BITURBO AZB
Audi TTQ 225HP APX (GTX3076R, 875cc, Integrated Engineering intake manifold, TIAL WG, TIAL BOV) sold
Audi Q7 4.2TDI V8 sold
Yamaha YZF-R1, KAWASAKI GTR1400
WinOLS, EVC OLS300 online emulator, EVC BDM, EVC BSL, Autotuner, CMD, Galletto official, Innovate LC-1, 2wd dyno, EVC dealer
|
|
|
cam
Full Member
Karma: +10/-1
Offline
Posts: 128
|
|
« Reply #11 on: July 18, 2014, 10:19:01 AM »
|
|
|
All day with OLS300 and online testing ... nothing, still same state without any good change Almost every variable tested with bad result but not better. Somebody can help me? |
|
|
|
|
Logged
|
Cadillac Escalade Platinum ESV 6.2 V8
Audi S4 B5 2.7 BITURBO AZB
Audi TTQ 225HP APX (GTX3076R, 875cc, Integrated Engineering intake manifold, TIAL WG, TIAL BOV) sold
Audi Q7 4.2TDI V8 sold
Yamaha YZF-R1, KAWASAKI GTR1400
WinOLS, EVC OLS300 online emulator, EVC BDM, EVC BSL, Autotuner, CMD, Galletto official, Innovate LC-1, 2wd dyno, EVC dealer
|
|
|
|
nyet
|
|
« Reply #12 on: July 18, 2014, 10:26:35 AM »
|
|
|
Why is that csv semicolon separated?
|
|
|
|
|
Logged
|
ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
|
|
|
cam
Full Member
Karma: +10/-1
Offline
Posts: 128
|
|
« Reply #13 on: July 18, 2014, 11:57:04 AM »
|
|
|
Maybe corrupted by excel - correct is here.
|
|
|
|
|
Logged
|
Cadillac Escalade Platinum ESV 6.2 V8
Audi S4 B5 2.7 BITURBO AZB
Audi TTQ 225HP APX (GTX3076R, 875cc, Integrated Engineering intake manifold, TIAL WG, TIAL BOV) sold
Audi Q7 4.2TDI V8 sold
Yamaha YZF-R1, KAWASAKI GTR1400
WinOLS, EVC OLS300 online emulator, EVC BDM, EVC BSL, Autotuner, CMD, Galletto official, Innovate LC-1, 2wd dyno, EVC dealer
|
|
|
|
nyet
|
|
« Reply #14 on: July 18, 2014, 12:20:32 PM »
|
|
|
Something very screwy with MAF.. maybe bad harness/connector? You said you replaced it?
maybe a vac leak still somewhere?
|
|
|
|
|
Logged
|
ME7.1 tuning guideECUx PlotME7Sum checksumTrim heatmap toolPlease do not ask me for tunes. I'm here to help people make their own. Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
|
|
|
|
