the vehicle cluster gauge is marking at about a quarter
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2004 Ford F-350 Super Duty Question: what is the normal operating temperature for 2004 for 6.0 diesel?
Answer #1pushrod October 16, 2013, 15:50Master
Engine performance good? Heater putting out good heat? What are your concerns?
Answer #2G. T. Service Center (4218 Answers) , Stephenville, TX - (254) 638-3236ProfessorG October 16, 2013, 16:04Master
Specs show thermostat should open from 188-192deg, fully open 219deg. That's the specs. Then #1 has good answer.