View Full Version : What channels should I log?
RSoverAll
July 5th, 2015, 09:35
Want to collect data for some logs in the morning but not 100% on which channels are needed to best diagnose a problem. Lately seems low on power and not the freight train I know it can be...
Quick search says 3,31,115 in Turbo Mode. 2nd gear @2500 rpm to redline.
I did a quick log today of channel 3 but block 2 (single block w/ combined MAF readings) never even saw 300 g/s... I know that's not right given 450bhp x .80
Any other channels you guys recommend? or suggestions?
4everRS
July 5th, 2015, 13:45
Like you said, 3,31,115 in turbo mode. Please post the results.
lswing
July 5th, 2015, 14:39
3rd gear, 2,500 RPM to redline. 2nd gear spins out too quick. Blocks 3, 31, and 115 will give you timing and boost, should be a good indicator of your issues. Activate turbo mode before logging, gives a much more detailed graph. Once you get your log cleaned up in Excel, export as webpage, then open webpage in a browser and copy numbers with cursor, then paste into reply on here, it can be tricky.
DHall1
July 5th, 2015, 17:32
3rd gear is better
Log before you are too heat soaked....then perform a sneaky reset.....go out and log one more.
Car off...turn key on, gas pedal to floor, 5 sec, key off, then gas pedal release. Wait 7 minutes
Go out and log again
Remember these cars are pigs in the heat...esp if your stock.
RSoverAll
July 6th, 2015, 03:17
3rd gear is better
Log before you are too heat soaked....then perform a sneaky reset.....go out and log one more.
Car off...turn key on, gas pedal to floor, 5 sec, key off, then gas pedal release. Wait 7 minutes
Go out and log again
Remember these cars are pigs in the heat...esp if your stock.
Sneaky reset? I didn't see that one in the Bentley manual. Could you elaborate, as far as what it resets and why choose that over clearing the ecu memory w VCDS...
ttboost
July 6th, 2015, 12:14
If you already logged and didn't see over 300 g/s, check for leaks before you log again. Likely your MAFS are leaking between the MAFs and intake. Push down on your airbox and make sure it is fully seated. I've eliminated this problem by removing my MAFs from the airbox, and let them sit in the intake. So IF they leak, they leak before the MAF. They MAY suck unfiltered air, but not enough to matter and I hadn't had a MAF CEL in 2 years. Sure it's a hack fix, but it should have been designed in...good luck on your fix...
Bigglezworth
July 6th, 2015, 16:57
Sure it's a hack fix, but it should have been designed in...Exactly! What the hell were they thinking (or not thinking in this case...).
RSoverAll
July 6th, 2015, 17:37
If you already logged and didn't see over 300 g/s, check for leaks before you log again. Likely your MAFS are leaking between the MAFs and intake. Push down on your airbox and make sure it is fully seated. I've eliminated this problem by removing my MAFs from the airbox, and let them sit in the intake. So IF they leak, they leak before the MAF. They MAY suck unfiltered air, but not enough to matter and I hadn't had a MAF CEL in 2 years. Sure it's a hack fix, but it should have been designed in...good luck on your fix...
The airbox connection was one of the first things I checked, it was all good but I went ahead and installed the Apikol Maf Rings right after I bought the car just as insurance. Possibility the Mafs are on their way out... They are Genuine Audi pieces I believe.
ttboost
July 6th, 2015, 18:03
The OTHER benefit to the "MAF mod", is that you minimize your engagement of the MAF connectors and the associated wiring, which is brittle and tend to break. Make sure to check that wiring at the connectors and within 3-4in of the connectors. Even with the Apikol rings, they can and will leak. That's why they are not worth $50. Just my opinion... as this is what worked for me. Again, no CEL's for over 2 years, which is unheard of for an Audi, much less a RS6...
RSoverAll
July 6th, 2015, 18:26
Kinda wish the cel was on so I would have more of a clue.
I did capture the logs yesterday but getting them to fit the 30k character limit is a challenge w/o chopping too much of the important data.
lswing
July 6th, 2015, 18:55
Kinda wish the cel was on so I would have more of a clue.
I did capture the logs yesterday but getting them to fit the 30k character limit is a challenge w/o chopping too much of the important data.
Yep, it's a pain, just trim out all the duplicate columns. We just need to see one run from 2500-6500. Really just need rpm, timing, lambda/O2, specified and actual boost. So no soft codes either on a scan eh (ones that don't throw a CEL)? Stuff like a small boost or vacuum leak won't always trigger a CEL.
RSoverAll
July 6th, 2015, 19:10
<colgroup><col><col><col span="2"><col span="2"></colgroup><tbody>
Engine Speed
Ignition
Lambda Control
Lambda Control
Boost Pressure
Boost Pressure
(G28)
Timing Angle
Bank 1 (actual)
Bank 2 (actual)
(specified)
(actual)
/min
°BTDC
V
V
mbar
mbar
2640
22.5
0.83
0.86
1140
1240
2640
15
0.83
0.86
1140
1240
2680
22.5
0.83
0.86
1140
1240
2720
21.8
0.83
0.865
1140
1240
2760
20.3
0.835
0.86
1140
1240
2760
17.3
0.83
0.855
1140
1240
2800
24
0.83
0.86
1150
1240
2800
24.8
0.83
0.86
1150
1240
2840
24
0.83
0.86
1170
1240
2880
18.8
0.83
0.86
1190
1240
2920
18.8
0.83
0.86
1190
1240
2960
23.3
0.83
0.86
1200
1240
2960
19.5
0.825
0.86
1200
1240
3000
20.3
0.825
0.86
1210
1250
3040
23.3
0.83
0.86
1210
1240
3080
23.3
0.835
0.86
1230
1250
3080
23.3
0.835
0.86
1240
1250
3120
23.3
0.83
0.86
1240
1250
3160
22.5
0.83
0.86
1250
1250
3200
21.8
0.835
0.86
1250
1250
3200
22.5
0.835
0.86
1250
1250
3240
22.5
0.84
0.86
1260
1250
3280
18.8
0.83
0.86
1260
1250
3320
18
0.835
0.86
1270
1250
3320
18
0.83
0.86
1270
1260
3360
21.8
0.835
0.86
1280
1250
3400
21
0.83
0.86
1280
1260
3440
22.5
0.835
0.86
1280
1260
3440
19.5
0.83
0.86
1300
1260
3480
21.8
0.835
0.86
1290
1260
3520
19.5
0.83
0.86
1280
1250
3560
21.8
0.83
0.86
1280
1260
3600
18.8
0.835
0.86
1280
1260
3640
21.8
0.835
0.86
1280
1260
3680
19.5
0.84
0.86
1290
1260
3680
19.5
0.84
0.855
1290
1260
3720
21.8
0.835
0.855
1300
1270
3760
21
0.84
0.86
1290
1270
3800
21
0.835
0.86
1300
1280
3840
21
0.835
0.86
1290
1270
3880
16.5
0.83
0.86
1290
1280
3920
21
0.83
0.86
1290
1280
3960
21
0.835
0.86
1300
1280
4000
20.3
0.83
0.86
1300
1280
4000
21
0.83
0.86
1270
1290
4040
16.5
0.83
0.855
1270
1280
4080
15.8
0.83
0.855
1270
1280
4120
15
0.83
0.86
1280
1280
4160
15
0.84
0.855
1280
1280
4200
15
0.835
0.86
1280
1280
4200
15
0.835
0.855
1290
1280
4240
18.8
0.835
0.86
1290
1280
4280
15
0.835
0.855
1300
1280
4320
17.3
0.835
0.85
1300
1280
4360
18
0.835
0.86
1300
1270
4360
14.3
0.84
0.86
1320
1280
4400
15
0.835
0.855
1320
1280
4440
17.3
0.84
0.855
1320
1290
4480
15
0.835
0.85
1330
1280
4480
16.5
0.84
0.85
1330
1300
4520
17.3
0.835
0.855
1330
1310
4560
14.3
0.835
0.855
1330
1310
4600
17.3
0.83
0.855
1330
1320
4600
13.5
0.83
0.85
1330
1320
4680
16.5
0.825
0.855
1330
1320
4720
16.5
0.825
0.86
1320
1330
4720
16.5
0.83
0.855
1310
1330
4760
15.8
0.825
0.855
1300
1330
4800
11.3
0.825
0.855
1290
1320
4840
17.3
0.825
0.86
1290
1310
4880
17.3
0.825
0.865
1280
1310
4880
17.3
0.83
0.86
1270
1300
4920
17.3
0.835
0.86
1260
1290
4960
12
0.835
0.865
1260
1280
5000
18
0.83
0.865
1250
1280
</tbody>
RSoverAll
July 6th, 2015, 19:11
<colgroup><col><col><col span="2"><col span="2"><col></colgroup><tbody>
5040
16.5
0.84
0.865
1250
1280
5080
13.5
0.835
0.86
1250
1260
5080
16.5
0.84
0.865
1240
1260
5120
12.8
0.845
0.875
1240
1240
5160
12.8
0.845
0.865
1240
1230
5200
15
0.84
0.86
1240
1230
5240
15
0.84
0.865
1240
1220
5280
12.8
0.845
0.86
1240
1220
5320
13.5
0.84
0.86
1230
1230
5360
12.8
0.84
0.865
1230
1220
5360
15.8
0.84
0.86
1230
1230
5400
13.5
0.83
0.86
1230
1230
5440
14.3
0.84
0.86
1230
1230
5480
13.5
0.835
0.86
1230
1230
5520
12.8
0.84
0.86
1230
1240
5520
16.5
0.835
0.86
1230
1230
5560
17.3
0.84
0.865
1230
1230
5600
15.8
0.835
0.86
1230
1230
5640
18
0.84
0.86
1230
1220
5680
13.5
0.83
0.86
1240
1220
5680
15.8
0.835
0.86
1240
1220
5720
16.5
0.835
0.86
1240
1220
5760
19.5
0.83
0.86
1240
1220
5800
18.8
0.83
0.86
1240
1230
5800
19.5
0.83
0.86
1250
1240
5840
18.8
0.83
0.86
1250
1250
5880
19.5
0.83
0.86
1250
1270
5920
19.5
0.825
0.86
1250
1270
5960
18.8
0.83
0.86
1250
1270
6000
18
0.835
0.86
1250
1260
6040
21.8
0.83
0.86
1250
1250
6040
18.8
0.83
0.86
1260
1260
6080
22.5
0.82
0.86
1260
1230
6080
19.5
0.825
0.86
1260
1220
6120
19.5
0.825
0.86
1250
1210
6120
5.3
0.825
0.86
960
1240
6120
2.3
0.835
0.865
960
1240
</tbody>
RSoverAll
July 6th, 2015, 19:15
No soft codes when I did the auto-scan yesterday, Iswing.
lswing
July 6th, 2015, 19:45
I should have added throttle angle to be included, but we'll assume you're at 100% for this.
You have no boost, car is in limp mode I assume. Stock boost is around 1600 mbar, with the readings starting around 1000. So you're only boosting around 4-5psi, when stock is around 8-9psi.
You're timing is just fine, along with the lambda readings.
I think you want to do the redneck reset and see if your boost comes back? Dave confirm process?
Are you tuned or not? Either way, you have no boost for some reason. Doesn't appear to be any boost leak as your actual boost catches up to the specified just fine.
So maybe a large amount of unmetered air getting in? Others will weigh in more I'm sure...
DHall1
July 6th, 2015, 20:01
Reset then report the new log please
RSoverAll
July 6th, 2015, 22:09
I should have added throttle angle to be included, but we'll assume you're at 100% for this.
You have no boost, car is in limp mode I assume. Stock boost is around 1600 mbar, with the readings starting around 1000. So you're only boosting around 4-5psi, when stock is around 8-9psi.
You're timing is just fine, along with the lambda readings.
I think you want to do the redneck reset and see if your boost comes back? Dave confirm process?
Are you tuned or not? Either way, you have no boost for some reason. Doesn't appear to be any boost leak as your actual boost catches up to the specified just fine.
So maybe a large amount of unmetered air getting in? Others will weigh in more I'm sure...
No tune yet...
lswing
July 6th, 2015, 22:31
No tune yet...
So it was slow, now even slower:) Kidding aside, did this happen out of the blue? I take back my unmetered air thought as you should be running lean if that's the case. Let's see if it comes back to stock at least after you reset. No boosting until you log or you risk just going back into limp mode.
RSoverAll
July 7th, 2015, 00:36
So it was slow, now even slower:) Kidding aside, did this happen out of the blue? I take back my unmetered air thought as you should be running lean if that's the case. Let's see if it comes back to stock at least after you reset. No boosting until you log or you risk just going back into limp mode.
Lol, thanks.
I don't drive it much maybe 1 or 2x a week but I noticed that it just wasn't as quick getting on the 60W on ramp. I was thinking if unmetered air was entering the engine the actual O2 value would report that as well as a related code.
Logs after a reset are on the way.
DHall1
July 7th, 2015, 00:37
I'm waiting patiently
lswing
July 7th, 2015, 02:15
I'm waiting impatiently
Same...tapping fingers...
RSoverAll
July 7th, 2015, 02:50
During reset, activate kick down or no?
hahnmgh63
July 7th, 2015, 02:58
No, just ESP off, Sport mode, and 3rd gear pull.
DHall1
July 7th, 2015, 04:31
Yes
............
!
During reset, activate kick down or no?
RSoverAll
July 7th, 2015, 04:34
<tbody>
Engine Speed
Mass Air Flow
Throttle Angle
Ignition
Lambda Control
Lambda Control
Boost Pressure
Boost Pressure
(G28)
(G70 + G246)
Timing Angle
Bank 1 (actual)
Bank 2 (actual)
(specified)
(actual)
/min
g/s
%
°BTDC
V
V
mbar
mbar
2000
74.06
99.6
20.3
0.825
0.855
1740
1140
2040
77.42
100
17.3
0.82
0.86
1730
1150
2040
77.47
100
21
0.83
0.86
1730
1160
2080
80.5
100
12
0.82
0.845
1740
1180
2120
79.89
100
19.5
0.815
0.85
1740
1190
2160
82.5
100
20.3
0.82
0.84
1740
1200
2160
88.44
99.6
11.3
0.82
0.835
1740
1220
2200
87.72
100
15.8
0.815
0.845
1740
1230
2240
90.17
100
19.5
0.82
0.845
1720
1250
2280
95.28
100
18.8
0.82
0.84
1710
1260
2280
97.58
100
11.3
0.815
0.835
1710
1280
2320
101.03
100
15
0.815
0.835
1690
1300
2360
101.64
100
15.8
0.815
0.845
1680
1320
2400
102.75
100
5.3
0.815
0.84
1670
1330
2400
104.28
100
16.5
0.81
0.845
1660
1360
2440
111.14
100
17.3
0.815
0.845
1620
1370
2480
114.28
100
14.3
0.82
0.835
1610
1390
2520
120.72
100
14.3
0.815
0.84
1590
1420
2560
126.42
100
13.5
0.82
0.84
1590
1450
2600
130.92
100
12.8
0.825
0.835
1550
1470
2640
131.58
100
11.3
0.82
0.845
1550
1510
2680
135.56
100
11.3
0.815
0.84
1540
1530
2680
139.19
100
11.3
0.815
0.835
1540
1540
2720
143.08
100
12
0.815
0.835
1530
1570
2760
148.31
100
9.8
0.82
0.835
1530
1580
2800
148.58
100
6
0.815
0.835
1540
1590
2840
147.69
100
11.3
0.815
0.825
1540
1590
2880
149.86
100
6
0.815
0.83
1550
1570
2920
149.03
100
0.8
0.81
0.84
1550
1560
2960
151
100
11.3
0.82
0.84
1560
1560
3000
153.58
100
6.8
0.825
0.84
1550
1540
3040
151.67
100
1.5
0.82
0.845
1560
1520
3040
155.14
100
12
0.83
0.845
1560
1510
3080
156.14
100
11.3
0.83
0.85
1570
1510
3160
158.39
100
12
0.83
0.845
1560
1520
3160
160.94
100
7.5
0.835
0.845
1560
1520
3200
169.44
100
12.8
0.83
0.84
1560
1530
3240
172.11
100
12
0.83
0.85
1560
1540
3280
176.97
100
12.8
0.83
0.84
1560
1560
3320
178.58
100
2.3
0.825
0.85
1560
1580
3360
184.25
100
7.5
0.84
0.845
1560
1590
3400
180.61
100
3
0.83
0.84
1550
1580
3440
184.92
100
12
0.825
0.85
1550
1590
3480
191.44
100
7.5
0.835
0.845
1560
1600
3520
190.53
100
9.8
0.835
0.84
1560
1600
3520
193.89
100
3.8
0.83
0.85
1560
1600
3560
202.64
99.6
12.8
0.84
0.855
1560
1600
3600
204.17
100
12
0.845
0.855
1550
1600
3640
206.97
100
8.3
0.845
0.85
1550
1590
3680
201.22
100
13.5
0.845
0.85
1550
1590
3720
208.14
100
13.5
0.845
0.845
1550
1590
3760
209.97
100
11.3
0.84
0.85
1540
1580
3800
207.28
100
3.8
0.84
0.855
1540
1570
3840
210.03
100
12.8
0.84
0.85
1540
1570
3880
205.25
100
5.3
0.84
0.855
1540
1560
3920
212.08
100
5.3
0.845
0.85
1540
1560
3920
215.06
100
15
0.845
0.845
1530
1550
3960
217.47
100
16.5
0.845
0.845
1530
1540
4000
223.67
99.6
11.3
0.84
0.85
1540
1540
4040
225.58
100
10.5
0.84
0.85
1540
1550
4120
227.03
100
10.5
0.845
0.84
1560
1540
4120
230.5
100
9.8
0.845
0.85
1560
1540
4160
230.33
100
14.3
0.845
0.85
1560
1550
4200
232.94
100
10.5
0.845
0.85
1560
1550
4240
237.44
100
14.3
0.84
0.85
1570
1550
4280
234.14
100
14.3
0.845
0.85
1570
1560
4320
238.42
100
9.8
0.845
0.85
1580
1560
4360
242.42
100
3.8
0.845
0.845
1580
1570
4400
242.67
100
9
0.845
0.845
1590
1570
4400
249.28
100
12.8
0.84
0.85
1590
1570
4440
253.5
100
8.3
0.84
0.84
1590
1580
4480
251.75
100
12.8
0.84
0.85
1600
1590
4520
257.5
100
8.3
0.84
0.845
1600
1600
4560
265.47
100
11.3
0.845
0.84
1600
1610
4600
264.47
100
12
0.84
0.845
1610
1600
4640
267.25
100
12.8
0.835
0.84
1610
1610
4680
270.94
100
11.3
0.835
0.845
1610
1610
4720
270.78
100
9.8
0.83
0.845
1600
1620
4760
276.69
100
11.3
0.83
0.85
1600
1620
4800
284.31
100
7.5
0.83
0.845
1590
1620
4840
283.08
100
4.5
0.83
0.85
1580
1610
4880
285.22
100
4.5
0.83
0.845
1580
1620
4920
290.53
100
7.5
0.83
0.855
1570
1610
4960
287.47
100
9.8
0.835
0.855
1570
1610
5000
291
100
9
0.835
0.85
1570
1590
5080
294.64
100
6.8
0.845
0.855
1580
1590
5080
297.97
100
8.3
0.835
0.85
1580
1580
5160
298.92
100
6.8
0.845
0.85
1590
1590
5200
306.83
100
4.5
0.84
0.855
1590
1620
5240
308.53
100
6.8
0.84
0.845
1590
1640
5280
315.67
100
6
0.845
0.85
1600
1630
5320
325.86
100
9.8
0.84
0.85
1600
1620
5360
330
100
9.8
0.845
0.85
1610
1640
5400
329.44
100
6
0.84
0.845
1610
1640
5480
332.69
99.6
4.5
0.835
0.85
1620
1650
5480
337.31
100
6
0.84
0.85
1630
1660
5560
331.5
100
4.5
0.835
0.84
1630
1660
5600
338.64
100
10.5
0.825
0.85
1640
1660
5640
338.39
100
8.3
0.825
0.845
1630
1660
5640
338.22
100
8.3
0.825
0.84
1630
1670
5680
345.42
100
9
0.83
0.84
1630
1670
5760
345.92
100
12
0.825
0.84
1630
1680
5800
348.06
100
10.5
0.83
0.85
1630
1670
5800
345.44
100
7.5
0.825
0.845
1630
1680
5880
342.42
100
9
0.825
0.835
1630
1670
5920
347.61
99.6
12
0.83
0.845
1620
1650
6040
354.58
100
11.3
0.83
0.845
1620
1650
6080
353.69
100
9
0.83
0.845
1620
1650
6120
358.36
99.6
9
0.83
0.845
1600
1650
6160
357.31
99.6
15
0.83
0.85
1600
1640
6200
359.5
99.6
12.8
0.83
0.845
1600
1640
6240
358
100
12.8
0.83
0.845
1600
1640
6280
357.39
99.6
9.8
0.825
0.845
950
1620
6280
324.44
70.2
3
0.82
0.84
950
1620
</tbody>
After sneaky reset log...
RSoverAll
July 7th, 2015, 04:41
Yes
............
!
Now you tell me.. awesome.
I did it with the kickdown activated for 1 run then I went to the gas station let it cool some and did the reset w/o activating the kickdown then recorded another run. Just to cover my bases, no idea if it actually made a difference with or without as the logs look very near the same.
DHall1
July 7th, 2015, 04:48
Now do you believe in the sneaky reset.
Boost is back and that is a good stock tune.
Chicken dinners
RSoverAll
July 7th, 2015, 04:58
Now do you believe in the sneaky reset.
I do now.
DHall1
July 7th, 2015, 05:04
:-)
Nothing wrong
Could have had bad gas and or old gas
Dont let old gas sit
Buy aces
RSoverAll
July 7th, 2015, 05:15
:-)
Nothing wrong
Could have had bad gas and or old gas
Dont let old gas sit
Buy aces
Aces in the tank and mixed a lil leaner than the instructions called for.
I probably need to drive it more.
4everRS
July 7th, 2015, 12:42
Looks good to me too. It's been a while since I've seen a stock log.
I know it's an imperfect measure, but maf readings on these cars can be pretty close to WHP. With this in mind, it's easy to see why a tune makes a soooo much difference. I'm getting over 360 g/s maf readings in the low to mid 4k rpms. Over 100 more than stock....
I guess I sort of knew that, but it's cool to see it when compared to a healthy stock tune.
hahnmgh63
July 7th, 2015, 22:33
Isn't that a little low for stock Boost? Per the RS6 Study guide it says stock Boost is .8Bar and that log shows about .6Bar granted it is Arizona (higher elevation & Temp) so maybe it isn't too far off? Everything else looks good (timing, MAF's).
RSoverAll
July 8th, 2015, 06:50
I am still thinking something is amiss... The numbers look okay from what I know but it just doesn't have that surprising gut stirring feel it used to have. I'm pulling it in the shop tomorrow to give it a good smoke test and overall inspection.
Probably do some more logs as well... The Bentley says to do a 4th gear pull around 2600 RPM, 1.5-1.8 bar should be seen and no more than 20% difference between the 2 MAFs. Gonna try that.
Thanks for the help guys.
DHall1
July 8th, 2015, 07:18
Its 110 degrees and 60 percent humidity
IAT are thru the roof
RSoverAll
July 8th, 2015, 07:36
Good point.
140-151 degrees F were recorded during the logs just couldn't fit it in the posts.
lswing
July 8th, 2015, 14:10
Probably do some more logs as well... The Bentley says to do a 4th gear pull around 2600 RPM, 1.5-1.8 bar should be seen and no more than 20% difference between the 2 MAFs. Gonna try that.
That should get you up to 150mph or so:) 3rd gear is just fine, and not sure if it helps, but it's closest to a 1:1 ratio for dyno testing. I would also agree you have some issue, that is too big of a change of boost to be fuel or temp related. Smoke test as you said, and surprised you never got a code.
RSoverAll
July 8th, 2015, 16:30
That should get you up to 150mph or so:) 3rd gear is just fine, and not sure if it helps, but it's closest to a 1:1 ratio for dyno testing. I would also agree you have some issue, that is too big of a change of boost to be fuel or temp related. Smoke test as you said, and surprised you never got a code.
Ha, I had enough trouble trynna find enough real estate do those 3rd gear runs.The Bentley does not say anything about redline.
RS8
July 12th, 2015, 10:37
Your ignition goes up and down all the time?
Looks like you're having problems with detonation now with the higher / normal boost pressure?
RSoverAll
July 12th, 2015, 15:48
Hmm, no knock codes. Always 91 w/ Aces...
It looks like the first log has a bit more timing across the entire rev range compared to the log done after the reset.
I do see what you're saying, the timing seems to be more then less, then more again then less etc like every 50 rpm... not sure what that would indicate though.
A consistent increase or decrease across the rev range as a whole would be ideal, correct?
RS8
July 12th, 2015, 18:18
You will not get a fault code on that, you have to log "ignition retard" on all cylinders when you drive and see how much ignition retad you have.
I can have up to 3 degress but that is with 1bar boost and above 5000rpm.
lswing
July 12th, 2015, 20:12
^^^That's a good point on the timing jumping around more than it should. I just looked back over an old log, posted below, running a bit more boost. The timing always moves around some, but not to the extent yours does. I see numbers on yours jumping from 12 to 5 then back to 12 as an example. Maybe the cam adjusters are getting worn and not being accurate? Would air getting in somewhere in the system throw the timing off? Or poor fuel causing imperfect detonation? Maybe a plug or coil pack starting to get a little finicky? Just thoughts...
<tbody>
Engine Speed
Mass Air Flow
Throttle Valve Angle
Ignition
Exhaust Gas
Exhaust Gas
Boost Pressure
Boost Pressure
(G28)
(G70 + G246)
Timing Angle
Temp. Bank 1
Temp. Bank 2
(specified)
(actual)
/min
g/s
%
°BTDC
°C
°C
mbar
mbar
2800
167.36
100
16.5
490
495
1540
1460
2880
174.19
100
12.8
495
495
1540
1520
2960
171.39
100
12.8
495
500
1530
1570
3000
180.81
100
13.5
500
505
1530
1600
3040
183.47
100
14.3
505
505
1550
1640
3120
184.81
99.6
13.5
510
510
1570
1640
3120
184.22
100
12.8
515
515
1590
1630
3160
188.47
100
13.5
520
520
1610
1630
3160
187.89
100
12
525
525
1630
1610
3200
186.53
99.6
11.3
530
530
1630
1600
3240
189.61
100
15
535
535
1640
1600
3280
195.25
100
14.3
545
540
1650
1590
3320
194.14
100
15
550
545
1650
1590
3320
199.75
100
12.8
550
545
1670
1600
3400
203.69
100
12
555
550
1680
1610
3440
213.61
100
15.8
560
555
1700
1620
3480
223.11
100
11.3
570
560
1720
1640
3520
229.81
100
12.8
575
570
1740
1660
3560
236.08
100
11.3
580
575
1750
1690
3600
244.06
100
13.5
590
580
1750
1710
3640
255.75
100
9.8
595
585
1770
1740
3720
263.22
100
9.8
600
590
1770
1770
3760
261.61
100
9
605
595
1780
1790
3800
264.06
100
12.8
615
600
1790
1800
3840
264.42
100
10.5
620
605
1800
1820
3880
270.14
100
9.8
625
615
1810
1820
3920
271.89
100
12
630
620
1820
1820
3960
282.53
100
9.8
640
625
1820
1840
4000
280.78
100
9.8
640
625
1830
1830
4040
277.64
100
9.8
645
630
1830
1840
4080
287.36
99.6
11.3
650
635
1840
1850
4120
295.67
100
12
655
640
1840
1850
4160
303.08
100
8.3
660
645
1840
1860
4200
301.86
100
10.5
670
650
1840
1860
4280
302
100
7.5
675
655
1850
1870
4280
304.28
100
6.8
680
665
1850
1850
4320
299.11
100
9
685
670
1850
1850
4360
311.89
100
7.5
695
675
1850
1870
4400
312.53
99.6
9.8
700
680
1860
1860
4480
313.25
100
6.8
705
685
1870
1850
4480
321.89
100
9.8
710
690
1870
1850
4560
325.28
100
9.8
710
690
1870
1850
4560
330.94
100
7.5
720
695
1870
1840
4600
334.14
100
9.8
725
705
1870
1840
4680
327.03
100
9
730
710
1860
1850
4720
341.36
100
9.8
735
715
1860
1840
4760
329.81
99.6
9.8
750
720
1840
1840
4800
339.89
100
10.5
755
725
1820
1830
4880
340.94
100
11.3
760
730
1810
1830
4920
343.83
99.6
8.3
765
740
1800
1820
4960
344.92
100
9
770
740
1780
1820
5000
347.78
100
9.8
775
755
1770
1820
5040
352.47
100
10.5
785
760
1760
1820
5080
345.14
100
9
790
765
1760
1800
5120
351.64
99.6
9.8
795
765
1750
1790
5200
349.47
100
9
800
770
1740
1770
5240
354.97
100
12.8
805
775
1740
1760
5280
352.22
100
11.3
815
790
1730
1730
5360
353.92
100
11.3
820
795
1720
1730
5440
355.33
100
12.8
820
795
1710
1700
5480
359.78
100
14.3
825
800
1700
1690
5520
358.17
100
15
835
805
1700
1690
5600
357.5
100
13.5
835
810
1700
1690
5640
357.81
100
16.5
840
815
1700
1680
5680
353.61
99.6
13.5
840
820
1700
1660
5720
359.31
100
15
845
820
1700
1680
5760
364.08
99.6
15.8
850
825
1700
1670
5840
364.08
100
18
850
825
1700
1670
</tbody>
DHall1
July 13th, 2015, 06:53
Our gas is sh#t
Its 110 degrees
IATs are thru the roof
Timing will jump around
!
Its 110 degrees and 60 percent humidity
IAT are thru the roof
lswing
July 13th, 2015, 12:12
Our gas is sh#t
Its 110 degrees
IATs are thru the roof
Timing will jump around
!
Illegals, don't forget the illegals...
RSoverAll
July 15th, 2015, 14:54
I didn't know Donald T was a member here lol
DHall1
July 15th, 2015, 16:25
Clearly the Donald is responsible for our "catch and release" program.
Tell it to the family of the woman shot on a San Francisco pier
If i step foot in Mexico with a gun.....i would be locked up for 10 years just for having it.