5thOneMaybeTheLast
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- Thread starter
- #1
I have an issue that Ive heard somewhat described by others. I thought I should explain. When pressing the gas pedal to maintain speed from 60mph to 70, my engine sounds very loud. There is a distinctive groan or deep buzz. This is my 3rd 2.7 and second with the 10 speed. I've never had this issue with the others. There is also a distinctive bucking or shudder under acceleration at these speeds. I thought it was the roads, but it happens at these speeds under multiple conditions. I do not feel it at slower speeds. The groan is present at lower speeds but a lesser extent/ volume. Anyone have a similar issue or insight? The truck was flawless up to 1000 miles or so. I was on a flat road and hear a loud "pump" sounds come on. It went away after 30 seconds or so, but after that I now have this strange condition. Drives me crazy because the truck was perfect until that incident. Thanks
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