vw golf gt tdi 170 Remap

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vw golf gt tdi 170 Remap

By Delta Performance
vw golf gt tdi 170 Remap
BHP Gains: + BHP
Torque Gains: + Nm

Finding a 2.0 GT TDi 170 with under 100k miles is getting hard and David thought he was on to a winner with this "one previous owner" model. Unfortunately in his year of ownership it has suffered a few costly repairs the latest of which was swirl flap errors. These make the air in the intake more turbulent at low engine speeds helping a better air/fuel mix and therefore better combustion. After some research he decided to remove the old plastic intake manifold and replace with a non swirl flap metal intake manifold from a BKD engine code vehicle. With this done the car was not running right - the only fault codes showing were for swirl flaps so we thought using our remapping equipment we can remove the codes and cars all happy again. How wrong we were!.  Removing the codes seemed to open a can of worms the car now has no eml or fault code but runs badly, smokes and stalls when coming to a halt. No way is this caused by deleting a few codes but it requires further diagnostic. After a few hours going though everything from fuel pressure to intake cam torsion values we find the bad running fault is the EGR valve. Blanked off to prove it is at fault the car now drives 100 times better and not smoking at all . We can now rectify this on a more permanent basis. Talking to the customer I suspect this EGR fault has been the underlying issue all along and the swirl flap faults may have been a red herring we may never know. We just hope David can get some years of trouble free motoring in what should have been a good car

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