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Old 11-12-2018, 08:41 PM
browning1396 browning1396 is offline
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Exclamation Engine knock after driving for a bit...

Couldn’t find anything related to this unless I just didn’t look hard enough (although I’ve checked almost every forum there is known to man...)

I’ve got a knock in my engine, and I’m hoping it’s an way fix and nothing super expensive. Every once in a while I have to drive about an hour to the in-laws house and long story short after driving through the back roads with red lights and stop signs everywhere, I’ll hear this knock when I idle at a light or stop sign. The truck doesn’t run hard when it knocks, doesn’t shake, my oil pressure is fine, and only does it for about 10 minutes. Then by the time I get to my destination, it’s stopped and I can’t seem to figure out where it’s coming from other than under the hood (obviously...)

--https://youtu.be/NESkbkcOHSU <--- Here's the video of it knocking, just take away the hyphens at the beginning of the link. It wouldn't let me post the link without that. Doesn't sound like a knock on other videos I've watched. I'm completely stumped.
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--2001 Ford Ranger 6cyl 3.0 5 speed--
No mods yet, just bought it!
--1997 Ford Ranger 4cyl 2.3 5 speed on 33 Falken Wildpeaks with 6.5" suspension lift - Gone, not forgotten--
~~ Silly boys, trucks are for girls ~~

Last edited by browning1396; 11-12-2018 at 09:33 PM.
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Old 11-18-2018, 12:48 PM
Mike4x4 Mike4x4 is offline
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Default Re: Engine knock after driving for a bit...

Sounds like something is loose and banging around, maybe being pulled near the fan or something. You'd have to open the hood and see if you can hear where it's comimg from.

Sent from my SM-N920V using Tapatalk

Last edited by Mike4x4; 11-18-2018 at 06:07 PM.
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Old 11-18-2018, 10:19 PM
browning1396 browning1396 is offline
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Default Re: Engine knock after driving for a bit...

Quote:
Originally Posted by Mike4x4 View Post
Sounds like something is loose and banging around, maybe being pulled near the fan or something. You'd have to open the hood and see if you can hear where it's comimg from.

Sent from my SM-N920V using Tapatalk
So, I finally caught it the other day at the gas station, and it sounds like it's coming from somewhere under the headers-ish area. My thought is maybe a misfire in the spark plugs? I need to get in there this weekend and pull em to see how terrible they are. The radiator fluid was nasty and so was the oil so I'm guessing the spark plugs/wires haven't been changed since the truck was built. -__-

Not to mention, I also found a dang 14mm socket inside the air intake up underneath the air filter about a week and a half ago..... so no telling what has (or really hasn't) been done to this thing.
__________________
--2001 Ford Ranger 6cyl 3.0 5 speed--
No mods yet, just bought it!
--1997 Ford Ranger 4cyl 2.3 5 speed on 33 Falken Wildpeaks with 6.5" suspension lift - Gone, not forgotten--
~~ Silly boys, trucks are for girls ~~
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