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98 mustang whining noise

714 views 5 replies 2 participants last post by  big gear head 
#1 ·
Hey all trying to diagnose a 1998 mustang and I keep hearing this whining noise in the engine bay before I try to crank it, at first I thought it was the fuel pump but its coming from the front and not the rear. any ideas what could be causing that?
 
#3 ·
Well it whines then stops, kinda like the fuel pump but I'm certain it wasnt the fuel pump because I just replaced it, it was completely dead. I just put the key in the ignition and I'll hear a whine noise from the engine bay that lasts like 4 seconds then goes away. This is all without running the engine BTW.
 
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