A little help Please?
I have a 2004 F-250 6 lt. diesel 2 wheel drive super duty
I have a Buzz or Hum noise that come from the drivers side firewall area.
Its NOT the injectors or the fan.
The noise is heard when the truck is running or when the key is on. There's so much stuff in that area I can't tell whats making it. Any Ideas ?
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