The getting hot while idling issue is either a thermostat not opening completely, water pump not pumping properly, or a clogged radiator.
Flush the fuel lines to ensure there are no blockages in them. Check the throttle position sensor for smooth operation throughout its range of motion. Also check the MAP/MAF and O2 sensors for proper operation. Check the engine for vacuum leaks.
Saturday, September 17th, 2011 AT 9:22 PM