Join Date: Oct 2005
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Smell raw diesel when heater is on?
When I turn the heater on I smell diesel fuel, not exhaust fumes. I notice it when I first start the truck. My windshield fogs up for just a second also. I was thinking the heater core is going but the diesel fumes throw me off. Im used to the smell of coolant when a core goes not diesel. Anyone have this happen before. The truck is a 2000 F250 w/ 7.3
How hard is it to change the core?
What else could cause the smell of diesel. I looked and didnt see any leaks. Could the fuel filter drain be leaking? I hear the O rings can go bad in the valve?
2000 F-250 SD CC 4x4.
35" Nitto Terra Grapplers, MBRP 4" exhaust,
Auto Meter Phantom A-pillar gauges,
S and B air filter, Superchip 1705,
4" Cage lift kit, Leer Canopy