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'04 1.8T......please diagnose

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Old 03-11-2005, 10:39 PM
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Default '04 1.8T......please diagnose

with apr chip and exhaust....I vagged it and no codes came up.....I logged 115 and came up with this....Can anyone interpret this? (WOT).....TIA..

Thursday 10 March 2005 20:09:19
8E0 909 518 AK 1.8L R4/5VT G 0003

Group A: '115
RPM Load Absolute Pres. Absolute Pres.
TIME
Marker STAMP /min % mbar mbar
0 1400 30.8 990 1000
0.18 1520 30.8 990 1000
0.36 1600 31.6 990 1000
0.54 1640 32.3 990 1000
0.72 1640 33.8 990 1000
0.9 1680 34.6 990 1000
1.08 1680 32.3 990 1010
1.26 1640 33.8 990 1010
1.44 1600 34.6 990 1010
1.62 1560 35.3 990 1010
1.8 1280 24.8 990 1020
1.98 1240 18 990 1010
2.15 1200 24.1 990 1010
2.32 1400 36.1 990 1010
2.49 1440 21.8 990 1010
2.66 1360 15.8 990 1010
2.83 1400 30.1 990 1000
3 1600 45.9 1140 1000
3.17 1960 60.9 1390 1000
3.34 2160 69.2 1420 1040
3.51 2200 78.2 1540 1100
3.68 2240 85.7 1960 1180
3.85 2080 93.2 1250 1270
4.02 1880 96.2 1510 1350
4.19 2160 102.3 1670 1370
4.36 2360 109 1570 1460
4.53 2720 118.8 1550 1530
4.7 2960 130.8 1610 1640
4.87 3320 136.1 1690 1680
5.05 3640 137.6 1710 1670
5.23 4040 137.6 1760 1660
5.41 4400 142.1 1830 1690
5.59 4800 153.4 1860 1820
5.77 5200 159.4 1290 1850
5.95 5200 104.5 990 1550
6.13 5400 19.5 990 1410
6.31 5200 12.8 990 1220
6.49 4600 78.2 1790 1010
6.67 3080 109.8 2130 1410
6.85 3400 136.1 2180 1750
7.03 3520 161.7 2210 2080
7.21 3720 176.7 2180 2240
7.39 3880 180.5 2140 2230
7.57 4080 179.7 2110 2210
7.75 4280 176.7 2070 2170
7.93 4440 173.7 2030 2090
8.11 4600 171.4 2000 2040
8.29 4800 166.9 1940 1990
8.47 4920 165.4 1880 1960
8.64 5040 163.2 1850 1910
8.81 5200 160.9 1790 1850
8.98 5320 156.4 1750 1810
9.15 5480 150.4 1720 1800
9.32 5560 145.9 1680 1720
9.49 5600 136.1 990 1580
9.66 5680 30.1 990 1580
9.83 5440 12.8 990 1290
10 4600 82 1660 1060
10.17 4040 109 2070 1470
10.34 4040 137.6 2080 1840
10.51 4040 164.7 2120 2150
10.68 4080 176.7 2080 2230
10.85 4160 175.9 2070 2170
11.03 4240 168.4 2060 2100
11.2 4320 163.2 2050 2050
11.37 4400 162.4 2020 2010
11.54 4440 162.4 2010 2020
11.72 4520 163.2 2000 2020
11.9 4520 157.1 1200 1830
12.08 4560 85.7 990 1530
12.26 4520 24.1 990 1330
12.44 4560 17.3 990 1180
12.62 4520 14.3 990 1130
12.8 4520 13.5 990 1100
12.98 4520 13.5 990 1070
13.16 4480 14.3 990 1060
13.34 4480 14.3 990 1050
13.52 4440 14.3 990 1050
13.7 4400 13.5 990 1050
13.88 4360 13.5 990 1050
14.06 4320 13.5 990 1050
14.24 4240 13.5 990 1040
14.42 4200 13.5 990 1040
Old 03-12-2005, 08:11 PM
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Default Re: '04 1.8T......please diagnose

Your max boost is 1.24bar = 18.2psi at 3720rpm. That's a normal RPM for max boost. Stock boost is only about 10psi (just FYI).

The information is from:

7.21 3720 176.7 2180 2240

From 2240mbar you need to subtract the normal pressure (~1000mbar) ==> You get 1240mbar = 1.24bar = 18.2psi (1.24*14.7)
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