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  1. Volkswagen Passat B5 Discussion
    Thought I'd share something I just experienced/learned. Last weekend I disconnected my battery to clean the drains. The next day on the way to work, the CEL came on, P0421 (cat 1 efficiency below threshold). I've owned the car through 2.5 tanks of gas and have reset the codes twice, and it...
  2. Volkswagen Passat B5 Discussion
    The old original turbo gave up on our '99 wagon, a few years after I jury-rigged the burnt out wastgate with stainless steel washers, which seemed to work for awhile. So my son ordered one of those ultra cheap K03 copies from Ebay, for all of $110. The turbo arrived in a styrofoam enclosure...
  3. WTB/WTT Section
    As the title states. I have a GIAC chip that i will try to solder on. And im not willing to sacrifice my own ECM. willing to pay up to 25$ shipped if still in good condition. Thanks.
  4. Volkswagen Passat B5 Discussion
    So after seeing all the threads about plasti dip, I have decided to do it on my black B5.5 on all the chrome pieces. I'm real excited to see how it turns out and post before and after pics. Any tips from people who have done it and is the front badge and grill slats easy to get out? TIA
  5. B5 Garage
    1999 1.8t 5-speed manual ~150,000 miles APR 1.0 bar chip My turbo waste gate has been chattering for some time. It’s loudest on down spool, like when I let off the gas and the engine RPM’s are dropping. Over time, my boost production has been coming in later and with lower pressures. The most I...
  6. Volkswagen Passat B5 Discussion
    Hi all - Im enrolled in one of the best classes at the Academy: the Physics of Motorsports. Yes, they did trick me into taking another technical class by focusing it on automobiles, but the whole physics thing isnt too bad in the end ;). For my semester project, I chose to examine the effect...
  7. Volkswagen Passat B5 Discussion
    So I decided to experiment with a FMIC and the results were good. Then I just couldn't leave well enough alone :lol: and had to make it better :crazy: All of the testing was done with a VAGCOM and ambient temps around 50 degrees F so I expect the results to be "different" when it gets warmer...
  8. Volkswagen Passat B5 Discussion
    One of the techs at work has a modded 01 S4. He tells me the Cayanne Brembo calipers bolt right up to the spindle without a carrier, like they do on the Cayanne - no caliper carrier. Looking at the dozen+ Q7's we got in, the 6 piston Brembos up front seem to have the same bolt lay out. Add...
  9. Mobile Electronics
    Basically my whole experiment or purpose behind my install is improve the sound while maintaining the cargo space afforded me by the Variant. Probably not too different from the desires of most folks in forum. Well let it be known that I can never leave well enough alone. This all started with...
  10. Volkswagen Passat B5 Discussion
    Hello. Just bought my 2003 Passat Wagon 1.8T back in December and haven't really driven that much lately. But in the past few days I have been wondering how my mileage does when I drive long distances, and which driving speed would deliver the best miles per gallon results. So here is the...
  11. Volkswagen Passat B5 Discussion
    I ran an experiment over the last 9 months using a VAG-Com log (group 20) that shows me if the ignition is being retarded due to knock sensors. I don’t need extra octane if the ignition is not being retarded due to knock sensors. Normally during the summer I run 92 or 93 octane, but for this...
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