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How many spark plugs are in a 4-cylinder engine?
Somehow, I got oil on my spark plugs—and now I need to replace them. How many spark plugs do I need for a 4-cylinder engine?
Kathryn Mae Kurlychek · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
For a four-cylinder engine, you’ll need four spark plugs. At least, that’s the norm—one spark plug for each cylinder head.
While certain engines may employ twin spark heads to ignite engine charge, it’s fairly uncommon—at least for the average passenger vehicle.
If you’re unsure of your car’s engine specs, you can always check your owner’s manual for details regarding your specific model. Your car’s manual should also contain an overview of a
basic car maintenance routine
you should be following for your vehicle—which will include information on how to care for (and when to replace) your spark plugs. If you’re looking for new spark plugs, stores like
Advanced Auto Parts
typically have affordable aftermarket products, and can even help you find the right parts to buy for your vehicle. View full answer
- Gregory R.
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