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I would not call the oil accumulation a tune issue. The tune turns off the low pressure egr, so no more gas flow back into the clean air duct just before the turbo. The pipe just sits there doing nothing. If the CCV (crankcase ventilation) is letting too much oil pullover, this all goes into...

The GDE tune will pass state emission testing as the monitors show complete.

The two versions of beta tunes might end up morphing into the ECO and HOT. ECO version with softer pedal response and quicker up shifts for lower rpm running and optimal fuel economy. The HOT version will have more aggressive pedal mapping for enhanced city driving response. Both tunes will...

We are working on some tweaks to DSG equipped vehicles to address early shifting and low rpm running. The software is different based on the model year and this might be the reason some vehicles shift fine and others upshift a bit early. FYI, lower rpm typically returns better fuel economy...

The longevity aspect comes into play in several areas. EGR is off, so no more soot entering the intake with the high pressure egr loop. Low pressure egr is also off, so no more condensation going through turbo inlet and less risk of intercooler icing. The combustion parameters are changed to...

We have had very good response for beta testers and do not need anymore DSG equipped vehicles at this time. We do still need 3-4 manual trans TDIs. Thanks GDE

We still need a few testers for DSG and manual. We are looking for highway drivers or all city, folks with a good consistent drive cycle. We like to test at sea level and folks that live at high altitude.

We are looking for a few beta testers with 2009-2014 Jetta, Golf, and Beetle. Manual or automatic. We have been developing a well rounded tune for the newer VW products that dramatically improves fuel economy, eliminates EGR, and improves performance and drive ability characteristics. If...

Do you have good records of your fuel economy pre and post tuning? We have a development vehicle 2012 Golf manual and it was averaging close to 43-45mpg during highway cruise (65-70 mph) running stock tuning. We are developing fuel economy tunes for VW vehicles now. Most posts we have read...

It is in final validation at the moment. We want to bring out the manual and DSG tunes at the same time.

We are looking for an owner of a 2012 Golf, Jetta or Beetle with the DSG transmission to be a tester or the new GDE tune we are working on the VW products. Currently, we have a 2012 Golf manual transmission in our shop running our eco performance tune. The tune improves performance 0-60mph...

We are looking for an owner of a 2012 Golf, Jetta or Beetle with the DSG transmission to be a tester or the new GDE tune we are working on the VW products. Currently, we have a 2012 Golf manual transmission in our shop running our eco performance tune. The tune improves performance 0-60mph by...

We picked up a 2012 Golf a few months ago and are working on tuning it. Our plan is to keep the dpf and all other powertrain hardware intact. We were achieving about 46mpg at 55-60mph with stock tune. Thus far we have turned off the low pressure and high pressure egr and modified some...

Our VW package comes with the eco and hot tunes. No need to decide as you get both automatically.

eco or hot will be about the same with cruise control on. The hot tends to use more fuel in city driving as the throttle is mapped more aggressively. Dynamic egr does not make engineering sense to us. Passing egr gases through the egr cooler during warm-up leads to condensation issues and...

Ask your tuner if they changed the open loop control maps in the ecm for the new turbo. The open loop maps provide the base setting for vane position in all modes, then the closed loop governing (PID control) is added/subtracted from those base values. If the open loop maps are not optimized...

The tank average will be interesting. Are you still using the winter blend fuel at your location? Warmer temps will also help. Summertime is the best for overall fuel economy.

At the moment, we are starting work on the Touareg. We are also working on developing fuel economy tunes for the truck market (Ram, GM and Ford). We are not planning anything for the 2009+ Jetta, Golf or Passat. There are at least 7 different tuning companies that have offerings for those...

Not sure how other tuners develop their products, but we take our time and have engineers running lots of dyno testing with trade-offs to modify the combustion parameters to maximize the fuel economy. We use a full emission dyno for testing and this is about $3000 per day. You can not...

The Green Diesel tune will put you over the 50mpg barrier when cruising. There is plenty of juice available if you need, but this comes at a cost to FE. The engine oil will also stay cleaner with the GDE tune. Feel free to give us a call for more details.

Cheoah, Our tunes are stored in a hand held flash tool. It takes about 4-5 minutes to switch tunes, so not on the fly. They are full engine tunes and we are able to gain fuel economy by making the combustion more efficient. Burning less fuel for the same torque output by modifying the...

A partially clogged EGR will lead to a drop in fuel economy. We have ECO tunes for your model that will certainly increase the fuel economy and make it perform much better.

Sell the flash tool with the vehicle as it is locked to that VIN anyway. The next owner can add a tune for $100 as the vehicle is already tuned. Thanks GDE

We also have a good tune for the PD motor to increase the fuel economy along with improved performance. Our ECO tune was developed with the fuel economy as the number one driver. Good luck in your search and let us know if we can be of further service. GDE

It is on the to-do list. We like to wait until a year into production at least, preferrable when people start getting out of warranty as they are more inclined to do a tune at that point.