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  1. Volkswagen Passat B5 Discussion
    Need some help with some logs I pulled using my torque obd2 adapter. Now I know some things from torque are not 100% accurate. Car is a 2004 1.8t awm 5spd 4motion. My air fuel ratios seem to be decent(always between 12-15 under full boost) on stock tune running about 12.5psi(on boost gauge) with...
  2. Volkswagen Passat B5 Discussion
    if you have seen my last thread of turbo underboost. i originally scanned my car with a obd2 scanner and only came up with p0299 turbo underboost. after having 034 replace my turbo and diverter valve, couple hundred miles of driving, the CEL came back on. this time i had my friend scan it with...
  3. Volkswagen Passat B5 Discussion
    so, I ran a bunch of measuring blocks on the way to work today. All the resulting logs are attached. I feel like the answer is that my torque converter is rooted because I believe that slip speed is too high, and that's my problem. I would love it is anyone here was an uber-guru who could...
  4. B5 Garage
    2000 ATW with an APR 93oct/stock, DV, complete 3" turbo back and a cone filter (probably what caused it). Trims are -1.7% additive and +12.5% multiplicative. I did a run viewing the timing cut and short term trim and the cut was over 10 degrees and the trim was +10% once boost exceeded 5lbs...
  5. Volkswagen Passat B5 Discussion
    So I finally got around to buying some more VP M5 Methanol to mix w pump gas. I used a 5:1 ratio of 94 octane and M5. I did two pulls, the first set here was at 25 PSI, the second was at 29 PSI (this is on a 60-1 T3/T4 in case anyone is wondering) Timing was set at 25 degrees advance and I...
  6. Volkswagen Passat B5 Discussion
    This is the Pre-cat 02 sensor. Just wondering if this is a normal log to have. It looks at idle that it goes from rich to lean. Should it fluctuate between -6.3 and 5.5% at idle? I posted the logs. Please comment. I have had random misfires on all cylinders and want to know if this means...
  7. B5 Information-Base
    Submitted for inclusion in Info Base (Mods: please wait a few days--I have to add PDF graph at end) This is written for the VW/Audi V6 engines AHA and ATQ, but instructions are basically universal to all cars with these sensors. The Mass Air Flow (MAF) sensor is an amazing piece of electronics...
  8. B5 Garage
    So i´m doing a few logs with vag-com to check the main differences between lpg and premium gas, it´s a way to check if everything is ok too, please make some comments:thumbup: Wot run in 3rd gear with lpg: No retard at all, i guess its good, my ecu can´t read exhaust temperatures, it´s the...
  9. Volkswagen Passat B5 Discussion
    So as the title says on Dec.. 12th of 07 I was driving down a road near my house and a baby deer jumped out infront of my car and I tried to swerve and miss it but I hit it anyway. After that I ran over some logs and bumped a tree. Well finally I have about 3grand together to get my car fixed...
  10. B5 Garage
    Posted in the wrong section...I think Sorry I moved it!!!
  11. Volkswagen Passat B5 Discussion
    I'm hoping this works and people can read it. I thought I'd post some logs I'm using to fine tune my setup and feedback is appreciated. Lavi from Unitronic is helping me out as well. I cannot figure out how to upload a file, some I'm copying and pasting. Mod, if this is just wrong, I won't...
  12. Volkswagen Passat B5 Discussion
    I finally got around to pulling some VAG-COM logs, working it into my drive home yesterday and my drive to work this morning, and I found a few things: 1. The O2 sensors see nothing abnormal. 2. The MAF maximum readout is around 180g/s, which is about right because now the MAF is clean -- and...
  13. B5 Garage
    car is 01.5 awm. what do you guys make of the following logs? as bvariant mentioned, air mass seems low.. i'm not letting off at all, it looks like the engine load peaks at ~3200 rpm and goes down from there on. is this normal? I did get a CEL during the first run (i think that's the same as...
  14. Volkswagen Passat B5 Discussion
    I've been doing more reading to further my quest to figure out how exactly the ECU calculates the air:fuel ratio based on the MAF sensor readouts + the fuel injector spray durations, and I've come to the conclusion that I'm kind of barking up the wrong tree. Here's why (and some of you will...
  15. Volkswagen Passat B6 Discussion
    Well, i installed the forge dv yesterday - my kit was missing the 10mm hose and zip ties - i bought the hose myself, but Mike @ Forge did send out the appropriate parts (at no cost) - i was just too anxious to wait for them. Props to Mike @ Forge :thumbup: Anyways, for me, at least the car...
  16. Volkswagen Passat B5 Discussion
    the logs in red are three consecutive 3rd gear WOT runs (CAPS runs). Currently I have a boost leak which is limiting me to 10psi :banghead: The other two lines are the maf readings from my two fastest CAPS runs. Interesting stuff :)
  17. Volkswagen Passat B5 Discussion
    ok did a little logging with my vag com today but im still pretty noob with it so i dont know what im looking at. couldnt get to redline, ran out of road so hope this is ok car is an 99 1.8t apu with 140,000 on it. only modifications are coam, shortened maf and air filter. could any one tell me...
  18. Anything Auto
    Well, I got a GIAC chip a few days ago from Jeff Moss/Torque Factory, and these where some of the logs he took. He also took some 4th gear pull logs too, but i just posted the 3rd gear pull ones.
  19. B5 Garage
    00 atw, giac j-31, 31# inj, adjust fpr set at 55 psi: Block 32 readings: first lambda = -2.3% second = -15.6% Some symptoms: * car starts very weak (almost seems like a weak battery, but I just put a new one in a few months ago) * cold startup idle - almost stalls a few times...
  20. B5 Garage
    Hey guys, I've got a problem with my 2000 1.8T B5 where in low revs its very fussy. Damned difficult to explain but I'll try - - When I pull away slowly and keep the revs low it will sometimes go like its about die. Then I put my foot down and suddenly it bursts into life and shoots forward at...
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