I have a 98 ford explorer sport 4.0 L. EFI When it gets hot outside it makes a loud humbing/roaring sound from the breather and when you accelerate it stops, only does it at idle. What would be the problem??
Thank you
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what do you do to get reid of the problem.
In hot weather, after it has been running for a while, it howls when idling, of operating a low speed. Sound goes away at higher rpm.
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