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Rough running '90 m20b25 1k-3.5k

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    Rough running '90 m20b25 1k-3.5k

    My m20 is running a bit rough. It has an unusual steady vibration to it, kind of like it is not running on all cylinders.

    Recent History: Lost my oil pan to a pot hole a few weeks ago R&R'd it along w/ my oil pump the other weekend. Yesterday I changed my oil and filter, wired in my city lights to my turn signals, and attempted to change my spark plugs (removed all my old one and installed new ones, only to find out the troll of a bitch at AutoZone sold me the wrong plugs-Shocking!) Removed the new plugs and reinstalled old plugs.

    This is the point when my engine showed signs of rough running between 1000 and 3500 rpms. The check engine light comes on to now evey once in awhile. Any help or suggestions. I will be returning the plugs today for the correct ones and swapping them out. I am hoping this resolves my troubles. Any other suggestions would be appreciated.

    Garrett

    Edit: Btw I swapped from Dyno oil to synthetic as well. Valve adjustment was done less than 1000 miles ago.
    Last edited by thedeal; 11-23-2009, 04:28 AM.




    #2
    Damaged plug. Runs like a champ now. Thanks! Mods please delete if you can get around to it.



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