I've just installed a tachometer in my 1998 F-150, it's a 4.2 l v6 five speed standard and I found that the rpms at idle are around 1500 rpm. How can I bring the rpms down and at what rpms should it be? Thank you very much. Hutch.
have the same problem?
Tuesday, August 22nd, 2006 AT 5:19 PM