Engine misfires only slightly?

72,000 MILES • 7.5L • V8 • 4WD • MANUAL
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STRAILER
  • ✓Experienced Mechanic
  • 55,649 POSTS
Lets do a smoke test for the vacuum leak, I have seen these engine blown an intake manifold gasket FYI.

https://www.youtube.com/watch?v=LRKWV4Are5c

Let me know what you find.
Oct 31, 2026 at 10:53 AM
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