Billyboy123 Posted August 16, 2015 Share Posted August 16, 2015 (edited) Hello people Just got myself a 2007 HR 40k miles and everything is brilliant however I am not used to the car, behind the engine between the firewall and the engine I can hear a very faint electronic hissing when warm on idle sounds like a fast battery charger and does not change with revs ....Very slight does anyone else have this and can you stick your head in at some point and listen to yours haha. Thanks guys I hear your very accommodating so though I'd take advantage. Edited August 16, 2015 by Billyboy123 Quote Link to comment Share on other sites More sharing options...
BulletMagnet Posted August 16, 2015 Share Posted August 16, 2015 I have a faint hissing when in 6th gear doing 80mph, above and below that speed it's not there Quote Link to comment Share on other sites More sharing options...
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