Note: This channel can not be substituted for channel 31 which displays the actual air/fuel ratio. Remember that lean is your ultimate enemy. Numbers upwards of 20 indicate some real problems that bear much closer attention. Negative numbers indicate fuel is having to be removed to compensate for a richer condition. Positive numbers displayed indicate fuel is having to be added to compensate for lean conditions. Note that seeing numbers higher than 0 does not necessarily mean your car is running dangerously rich or lean just because of a little correction. The computer can correct for these rich and lean conditions up to 25% or so.
No fuel is having to be added or removed to maintain harmony. This means the car is doing what it has been asked to do. The numbers will be displayed as a percentage starting from 0% indicating NO fuel correction is needed. This is a fuel correction table used by the computer when it senses the car richening and leaning from the programmed air/fuel tables. Any lifting of the throttle during the run will result in inaccurate A/F numbers for the purpose of our evaluation. Note: In order to have a log that will be valid, you will need to see at least a 3rd gear wide open throttle run from about 2500rpm until redline. VAG-COM Datalogging for MY2001+ Audi/VW Vehicles. That is if they have the information that is in print (paper or electronic) you should be able to find it in Factory repair manuals, Technical Service Bulletins( TSB) and other technical training/repair material.Vag-Com Reference Page - Note that if you are unsure of how to execute logging functions please see the following page on this site. Outright Upgrade to a Dongle Style InterfaceĪudi and Volkswagen publications are sometimes good sources of the information you seek.
VCDS-Lite does not appear to have a label file for this transmission, you can always upgrade to a Ross-Tech interface and use the full Version of VCDS which does have a label file for the. Most of the useful MVB information for this transmission controller can be found in the first 30 or so MVBs, so you do not need to worry about searching through all the possible blocks and that hold true with most control modules. Ross-Tech does not publish a 'list' of this information, other than what the tool displays on the Measuring Value Block ( MVB) Screen.
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