All Things Mk5 > R-Tech Zone
Just thinking about an ECU remap
usmangti:
Its possible the diverter valve has gone as its having to hold higher boost now, Get a rev G and changing its quite easy. There are guides on the forum and I managed to do it, and I'm a novice when i comes to mechanical stuff. Its basically remove offside front wheel, remove some of the plastic liners , unplug the DV and remove the 3 torx screws. Fitting is the reverse.
rashg60:
Thanks Usmangti.
I have now replaced the air flow sensor and the car goes much much better, i.e. much smoother in every gear like it used to be. However, the power surge that I got after the Stage 1 map still isn't there. I have therefore ordered a Rev G DV from VW, which should be here tomorrow. Hopefully that should cure the problem.
If this still doesn't do it - any more recommendations/ideas?
usmangti:
Sounds like DV, If the DV is torn then it will be losing boost therefore wont have the surge you are expecting. Read some guides on here as on first glance the DV may seem fine.
rashg60:
Where exactly is the DV located and is it easy to reach once the passenger side wheel has been removed?
rashg60:
Replaced the DV now.
Again car feels much better but it's still lacking that power surge.
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