It cooling off once you increase engine RPMs has me thinking it's the water pump or at least a problem with the water flow. Large Air pocket? Water Pump worn? The infrared thermometer might help see if the radiator water has cooled of and it just isn't circulating into the engine.


1995 Toyota T100, Rhino Liner, SwayAway Torsion Bars, Bilestien Shocks, Brembo Rotors, Akebono Pads, SS Brakelines, Monroe Steering Stabilizer & TRD/Eaton LSD