Best Spark Plugs For Acura RLX

Spark plugs are devices that, when connected to the spark terminal on the distributor or coil, create a spark to start combustion. They include a discharge terminal at one end and a center and ground electrode that arc to generate a spark. Spark plugs get worn down with use over time as the electrode material wears down.

They may also be clogged by fuel mixtures that are excessively rich or contaminated with oil. Check the condition of your spark plugs if you notice misfiring or if your car is difficult to start. Spark plugs and wires are part of a tune-up, so if your spark plugs need to be replaced, consider replacing the spark plug wires as well.

A spark plug in each cylinder head “fires” to ignite the compressed fuel and air mixture within the cylinder. The spark isn’t delivered directly to the mixture; instead, an electrical spark is shot across a small gap (typically about a millimeter) to start combustion. The piston is driven downward by the explosion, which generates energy.

2012 2013 2014 2015 2016 2017 2018 2019 2020 Acura RLX Spark Plugs

Info/Engine 3.5L 6-cyl Engine J35Y4 3.5L 6-cyl Engine JNB1
OEM spark plug gap 0.044″ (1.11mm) 0.044″ (1.11mm)
Qty. needed 6 6
Change interval
Best spark plug NGK 95350 DILZKR7B11G Laser Iridium Spark Plug NGK 95350 DILZKR7B11G Laser Iridium Spark Plug
Popular choice NGK 93175 LKR7DIX-11S Iridium IX Spark Plug NGK 93175 LKR7DIX-11S Iridium IX Spark Plug

The spark plugs then repeat the process over and over again, with each set of sparks lasting for a fraction of a second. In most cases, an engine has one spark plug per cylinder, but some engines may have two. Your Acura won’t start or run if you don’t use spark plugs.

Spark plugs are one of the ignition system’s most important components. They ignite the gasoline and air within your engine. This provides your engine with the power to propel you down the road. The spark plug takes a high-voltage current from the ignition coil and generates a spark at just the right time during the engine’s combustion cycle. This ensures that your engine receives the optimal blend of performance, fuel efficiency, and low pollution levels. However, as time goes on, the electrode at the tip of the spark plug deteriorates, becoming ineffective.

Follow the automobile maintenance timetable when replacing the ignition coil. The owner’s handbook will contain this information. Some vehicles require replacement at 30, 60, or 100k miles, depending on the manufacturer. It’s conceivable that a spark plug might fail before the service schedule is over in some situations, but it’s not very typical.

Is it Safe to Drive With Worn Spark Plugs?

Yes, but worn spark plugs can cause engine-misfiring and overheat of the catalytic converter, which has the potential to damage the engine. Regardless of how old or how much mileage the spark plugs have accumulated, if the engine misfires or runs badly, they should be checked for flaws. In general, a spark plug’s failure will not prevent the car from running; however, in cases of heavy wear , you may experience a restriction in vehicle speed owing to an excessive number of replacements. It is advisable to change the spark plugs as soon as advised by the maintenance plan.

Dan Hoffman

Dan is a co-founder of Engineswork. He knows everything about internal combustion engines. Ask your questions in comments down below this article - he will be glad to help you anytime.

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