5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

Knock Knock... and knock... what is it?

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Old Mar 30, 2014 | 12:25 AM
  #1  
Infam0usMax's Avatar
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From: Charleston, SC
Knock Knock... and knock... what is it?

I would like to know if anyone here knows where this could be coming from took it to my friends shop he says I need a new engine... but the car still runs like there is nothing wrong with it besides this noise... he said something about low pressure and it being around 30lbs... I also got a code for a misfire in cyl 5 also... which is a bad coil... here is the link to my photo bucket video...
http://s10.photobucket.com/user/Gudd..._3166.mp4.html

Last edited by Infam0usMax; Mar 30, 2014 at 01:08 AM.
Old Mar 30, 2014 | 12:28 AM
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Misfire could be many things besides coil. It can be spark plug, wiring, ECU, injector, low compression.
Old Mar 30, 2014 | 12:44 AM
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Infam0usMax's Avatar
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Originally Posted by tosheto
Misfire could be many things besides coil. It can be spark plug, wiring, ECU, injector, low compression.
We checked the coil and spark plug both were messed up changed them with another and still got the slap. slap. slap.... and he did say it was low compression... 30lbs trying to upload my video now...
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