All Things Mk5 > Superchips Zone

Stage 2 bluefin K03 4500 flat spot dyno graph inside!

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56OctyVRS:
My bet is that your fuel pressure regulator valve is cracking open too soon. It might be worth replacing with one from the rs4 as it doesnt open till 136 bar. Whereas the standard one opens at 130 bar. But if its worn it will open sooner.

dave:
Kind of got this sorted but still has slight flat spot changed map yet again think I'm on number 6 or 7 now

56OctyVRS:
I had a flat spot at about 5200rpms but since changing the fuel pressure regulator valve to one from as rs4 it has gone.

dave:
You got a part number for that buddy?

56OctyVRS:
Yes mate the part numner is 079130757.

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