How often should tune up be done?
Most older vehicles with non-electronic ignitions should be tuned every 10,000 to 12,000 miles or every year, whichever comes first. Newer cars with electronic ignition and fuel injection systems are scheduled to go from 25,000 miles to as many as 100,000 miles without needing a major tune-up. via
How many spark plugs does my car have?
Typically, the number of spark plugs required will depend on the number of cylinders a car has and the size of its engine. There is one spark plug for every cylinder, so if an engine has four cylinders, there are four spark plugs. A standard vehicle would usually have four cylinders and four spark plugs. via
How do you change spark plugs on a 2017 Honda Civic? (video)
How many spark plugs does a v4 Honda Accord have?
Most cars have one plug per cylinder, so a four-cylinder engine will have four plugs, a six-cylinder engine will have six plugs, and so forth. via