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View Full Version : Spark failure cilynder 4


miguelocasio1
May 16, 2008, 05:34 AM
I have a 1998 nissan altima sometimes it runs perfect some times it does not I placed it in a machine and it says spark failure in cilynder #4

TxGreaseMonkey
May 16, 2008, 06:39 AM
Likely, you need to change spark plugs. Be sure to use the exact brand and plug no. that came in the car originally. Apply a light coating of dielectric grease to the porcelein portion of the plug. Consider replacing spark plug wires.