5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

engine knock

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Old Jan 19, 2008 | 09:36 AM
  #1  
ponyboy88's Avatar
ponyboy88
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Joined: Oct 2006
Posts: 816
From: NY
Default engine knock

i get an engine knock at extremley low rpms, (like when i bog the engine down to 5 or 600 rpms)


is this normal.... or is a timming issue?

thanks
Old Jan 19, 2008 | 09:38 AM
  #2  
bobbyboura's Avatar
bobbyboura
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Joined: Jan 2007
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Default RE: engine knock

is it a spark knock or a rod knock
Old Jan 19, 2008 | 12:09 PM
  #3  
dimebag's Avatar
dimebag
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Joined: May 2006
Posts: 10,357
From: earleville md
Default RE: engine knock

why the hell do you bring it down to 500-600 rpms... **** i idle at 900-1000
Old Jan 19, 2008 | 02:11 PM
  #4  
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67mustang302
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Joined: Apr 2007
Posts: 10,468
From: California
Default RE: engine knock

Yeah, don't bog it. It's meant to idle down that low, not be driven that low.
Old Jan 19, 2008 | 02:47 PM
  #5  
92cobra's Avatar
92cobra
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Default RE: engine knock

+1 to that man, dont be so mean to your car you big meany.
Old Jan 19, 2008 | 03:46 PM
  #6  
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mjr46
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Joined: Jun 2007
Posts: 30,871
From: West Virginia
Default RE: engine knock

bump the idle and be concerned about a knock at normal idle and or driving speeds
Old Jan 19, 2008 | 05:08 PM
  #7  
ponyboy88's Avatar
ponyboy88
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Joined: Oct 2006
Posts: 816
From: NY
Default RE: engine knock

well no i have a feeling my timmings off and was just checking something else when i noticed it, i idle around 1100-1200 actually since its so cold i cranked it up a little
Old Jan 19, 2008 | 05:09 PM
  #8  
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bouchermb
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Default RE: engine knock

I don't think I've ever been able to make my car run at that low an rpm.
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