Valve Knock?? - Ford Powerstroke Diesel Forum
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Old 02-04-2013, 09:35 AM
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Valve Knock??

My pickup started making a knocking noise this evening. I shut it off when I got to walmart after I let it cool down and when i got back out, started it up and drove home I noticed a knocking noise. It only does it at idle when you first start it up and slowly fades away, but hwen you rev it up anywhere above idle it knocks. It it coming from the top of the motor as far as I could hear. I don't run my H&S on anything but stock and its only been deleted about 500 miles, only 4,700 miles on the pickup. Any experience with this? it's not the typewriter noise, I've got that too.

Last edited by 09Duramax; 02-11-2013 at 08:09 PM.
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Old 02-06-2013, 12:48 PM
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subscribed!!!...
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Old 02-11-2013, 08:08 PM
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Bump......
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Old 02-12-2013, 08:57 AM
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I saw a video in youtube. (unfortunately I can't find it) when a woman was reviewing the 6.7L and as soon she started to accelerate you can hear the engine knocking. These engines tends to knock a little if the user is hard on the gas pedal.
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Old 02-12-2013, 09:06 AM
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Re: Valve Knock??

I bet its the new fueling strategy
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Old 02-12-2013, 07:22 PM
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My 2013 starting knocking during idle at startup today also. It's completely stock. It goes away when driving it (or I can't hear it). I will be going back to the dealer in the next couple days to have it checked out.
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Old 02-13-2013, 06:40 PM
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Think I found my problem, mine sound's just like this, just not quite as loud but close.

2011 Ford powerstoke F350 BAD CAM SHAFT - YouTube
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