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Cylinder 4 Misfire

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Old Dec 20, 2008 | 01:21 PM
  #1  
ST1FFY's Avatar
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Default Cylinder 4 Misfire

My cars check engine light came on about a week ago... I went to autozone today and had them scan it, the scan came up too show that cylinder 4 has a misfire malfunction, what could be causing this? all my mods and specs are in my sig
 
Old Dec 21, 2008 | 10:34 AM
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Could a bad MAF be a cause of this
 
Old Dec 21, 2008 | 12:14 PM
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Or a bad coil pack. Swap the #4 coilpack with #1 and see if it moves the misfire.
 
Old Dec 22, 2008 | 07:13 PM
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I actually had that happen couple of months ago, i just put in new spark plugs and reset the code , i think i had a bad spark plug, hope this helps,
 
Old Dec 22, 2008 | 09:01 PM
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check resistance of coil pack #4 and compare to spec or simply switch it w/ another cylinder's coil pack as mentioned. good luck
 
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