The engine idles up every 5 to 7 seconds and maybe even when in gear and driving, even with the cruise on I can see the rpms go up, sounds like the fan may be coming on and off every time as well. At a stop light the rpms shoot up 500 to 1000 and the vehicle postures forward then idles back down and the body relaxes on the brakes. Air switch or possible temperature or fan switch problem???
Mar 11, 2009 at 5:02 AM
