General RZR Discussion Fan surging and over heating. April 21, 2015 Dad has a jagged x and his fan was surging and his dash was LO 10.5 and his coolant temp was at 217 and it was idling kinda high. We let it cool down and fired it up and it idled fine and dash was showing no code. Thanks! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related