mattkh 0 Posted August 24, 2008 Hi Anyone listened to the external pump. Care to tell me what they heard. Quote Share this post Link to post Share on other sites
bcstudent 0 Posted August 24, 2008 They buzz while running. Why, what does yours do? Quote Share this post Link to post Share on other sites
davidwort 0 Posted August 24, 2008 what you don't want is varying pitch to the buzz, but they can be pretty loud. Quote Share this post Link to post Share on other sites
mattkh 0 Posted August 25, 2008 Hi It is not loud, but varying pitch when the engine is runing. Is it new FEI unit time ? Quote Share this post Link to post Share on other sites
chubbybrown 0 Posted August 25, 2008 mine had a whine, I just changed the fuel filter underneath to help it breath more. Quote Share this post Link to post Share on other sites
