When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
occasionally when sitting at an intersection while idling at around 900 it will slowly bogg out on me and the RPM guage goes all the way down to 400-500, then it will shoot up to 2k by itself, why is this?