Hi guys,
Having an issue with my 2008 golf TSI 1.4, tried many things but can't get to the bottom if this problem.
It won't rev over 3000rpm, fault code "fuel pressure regulator 2 performance"
Replaced timing chain and tensioner, fuel filter, HP fuel pump and follower, checked fuel lines, rechecked the timing but still no joy.
Was going to replace the crankshaft sensor next, looks like a nightmare to get to it

anyone have a similar problem or any ideas what it could be?
many thanks
very frustrated William