Without ignition, your Nissan vehicle isn't going much of anywhere. After all, that's what makes it start to begin with. That's where your factory spark plugs come in. They produce that initial flash that ignites the air-and-fuel mix inside the engine.
How Your Spark Plugs Work
That flash, or spark, is generated when the spark plugs fire an electric arc across a precisely-calibrated gap between two leads. However, if your Nissan is equipped with a diesel engine, it uses glowplugs instead of spark plugs. These have a heating element in their tips. That heating element ignites the fuel mist that's sprayed into a diesel engine's cylinder.
How to Tell Your Spark Plugs are Beginning to Fail
It's not uncommon for spark plugs to eventually go bad. They may get corroded. The gap between the leads may widen to the point that your spark is too weak. These are some of the signs of spark plug troubles:
- Engine misfires
- Uneven engine idling
- Your "Check Engine" light comes on
- You have problems starting your car or SUV
Your spark plugs can last up to 100,000 miles but may need changing before that. Your owner's manual will advise you how long you can expect yours to serve without being replaced. When it's time to replace your plugs, make sure to choose the only ones guaranteed to perform properly. Those are the genuine Nissan spark plugs shown here in our online auto parts inventory. Buy yours today and save!
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