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02 tundra engine bogs down when fan is turned on

Old 05-07-2015, 05:07 PM
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02 tundra engine bogs down when fan is turned on

When I turn on the fan in my 02 tundra the engine bogs down and sounds like it's going to die. I always turn it back off before anything else happens. It does it whether i'm using heat or ac. Please help, I'm hoping it's something I can fix myself.
Old 06-05-2015, 09:18 PM
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My best guess is the fan is drawing too much power or you have a charging system problem. I'd start with checking system voltage before and after you turn the fan on. I once had to drive a VW bus on a 100 mile trip home with a bad voltage regulator. It ran fine until it got dark and I turned the lights on.
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