Small hole under the throttle body sucking air, horrible gas mileage

2001 DODGE DURANGO
122,000 MILES • 4.7L • V8 • 2WD • AUTOMATIC
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JIMBO1488
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  • 1 POST
well, I bought this truck at an auction runs great but there is a small hole under the throttle bottle that is just a small nipple nothing on it sucking air. I put my finger over it the engine sounds like it runs smoother. Also my coolant is leaking but not while running and I have never seen from where it leaks.
Jan 5, 2021 at 10:00 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,840 POSTS
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You will need to start a new post for the coolant leak. Can you see a vacuum line that connected to the vacuum port? Here is a vacuum line diagrams to help you see what's going on. Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Jan 6, 2021 at 10:30 AM
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