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DIY: Spark Plugs Change (HUGE Pics)

Old 10-09-2014, 10:43 PM
  #121  
JRSport018
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My '03 touring has the original spark plugs and I have 78k on the odo. Am I good till 100k still or should I just replace them anyway since it's been 11 years? After driving around and putting my car in neutral the engine sometimes stalls (dashboard still lit) but I thought maybe the spark plugs are going?
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Old 10-10-2014, 06:25 PM
  #122  
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You should replace it anyway since it's cheap and easy to do.
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Old 11-05-2014, 11:35 PM
  #123  
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Hey guys this is my first post, I have a 07 350z and I spent hours removing my bumper, injen long tubes, and everything necessary to get to the spark plugs and finally got to it. I keep turning the socket and the plugs just keep turning and Ive been at it for an hour. Is there any way I can remove the spark plugs. I tried to remove all of them and they all just keep turning but won't come out. Thanks I really appreciate any help
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Old 11-06-2014, 07:49 AM
  #124  
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Make sure you're using the type of socket I talked about in my first post to pull them out after you completely loosen the plugs.
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Old 12-13-2014, 06:03 PM
  #125  
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I just got my Z less than a week ago. I successfully changed the spark plugs today with absolutely no problems. Thanks for the post!
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Old 12-27-2014, 11:48 AM
  #126  
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hey again, ya I used a 5/8 spark plug socket and a ratchet w/ long extension and it just keeps turning and turning and none of the spark plugs will come out
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Old 07-02-2016, 12:21 PM
  #127  
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Nice write-up. Just turned 100k, so doing compression on each cylinder as I go. Thanks!
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Old 08-31-2016, 06:25 PM
  #128  
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Just ordered me some new spark plugs... Figured I might as well because they are probably original 12 year old plugs, I went with the 1 step colder so hopefully my car enjoys them




Thanks OG #1 for the detailed instructions and information.

Last edited by dboyzalter; 08-31-2016 at 06:28 PM.
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Old 05-05-2019, 01:00 AM
  #129  
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Not sure if anyone follows this thread anymore, I just bought my 2004 z pretty new to it , how many spark plugs are in the engine? Do they have a specific size for the plugs , how do I prevent misfires ??
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Old 05-05-2019, 05:23 AM
  #130  
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Originally Posted by Justin9898 View Post
Not sure if anyone follows this thread anymore, I just bought my 2004 z pretty new to it , how many spark plugs are in the engine? Do they have a specific size for the plugs , how do I prevent misfires ??
6 spark plugs. One for each cylinder. Standard replacement is NGK PLFR5A-11. Gap is 1.1 mm (0.043 in). Recommended replacement is every 105,000 miles.
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Old 05-05-2019, 12:33 PM
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Originally Posted by Heel Til I Die View Post
6 spark plugs. One for each cylinder. Standard replacement is NGK PLFR5A-11. Gap is 1.1 mm (0.043 in). Recommended replacement is every 105,000 miles.
thanks bro
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