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Idle and whistle issue

4K views 7 replies 6 participants last post by  corefocus 
#1 ·
Im having a problem with my idle. Its jumping back and forth from 1200-about 2k. I cleaned out my IACV and it was idling great until the day after. Also i have been having this weird whistling noise that sounds like a vaccum leak but im not too sure and my vaccum is at 20-22. The noise only comes on at about 1k-1300 after that it stops. Wondering if you guys/gals can help me out
First video is the idle, notice it starts to whistle towards the end og the video:

This video you can hear the whistling from the engine bay:
 
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#2 ·
Id be willing to bet that that whistle is your water pump! Or another pulley. When I spun my water pump pully with no water in the motor it made a squeak like that.

Check your fuel system for leaks as far as the raising and lowering idle is concerned
 
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