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Butterfly Valve wide open
I have been experiencing some unpleasant rattling noises at low RPMs after checking out forums etc i narrowed it down to my exhaust butterfly valve not fully opening or closing. I assumed that it was not closing properly and was therefore causing the rattle. I checked it whilst the engine was off and at idle and it is wide open. I thought i was just going to attempt the gold tee/cable tie fix to keep it wide open at low RPMs both solving the rattle and giving a nice exhaust note. However seeing as it is already wide open all the time without any deliberate modifications and the fact that is rattles still, does this mean that i need a new actuator?
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