pinging
Fleet Mechanic
Joined: Jan 2013
Posts: 1,305
Likes: 8
the best description that i have heard to describe pinging is ... ball bearing rattling around inside a tin can ... no way can it be confused with the sound of a healthy running engine.
i would bet that a search on youtube will bring up someone displaying the sound of a pinging engine.
i would bet that a search on youtube will bring up someone displaying the sound of a pinging engine.
Cargo Master
Joined: Jan 2004
Posts: 3,118
Likes: 149
From: South Dakota
I would guess you have an exhaust leak.
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Posting Guru
Joined: Mar 2013
Posts: 1,726
Likes: 3
That's possible, all my gaskets are factory. I have a vacuum leak too. I need to track it down. Oddly enough, I'm getting around 20 mpg.
Fleet Mechanic
Joined: Jan 2013
Posts: 1,305
Likes: 8
diesel under load is another good description of pinging . a 4.9 does NOT sound like that when running right.
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Posting Guru
Joined: Mar 2013
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It only does it when it's cold and when I'm in a high gear at a low speed. Once I fix all the vacuum leaks I'll reassess what's going on.
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