Do you use iridiums spark plugs on the spark plug replacement

Do you use iridiums spark plugs on the spark plug replacement?

My car has 93000 miles.
My car has an automatic transmission.

Experienced mechanics share their insights in answering this question :
The OEM plug is platinum. If you desire iridium, simply note that in the customer notes or let the mechanic know at time of scheduling. Obviously, without contrary advice, the original, or aftermarket equivalent, of a part is always used but if you desire an alternative part, just so long as it is cataloged and available for your car we are happy to help you with that. If you desire plug replacement, please use YourMechanic’s convenient service page for spark plug replacement. Once on that page, please click on "Get a Quote" and enter your vehicle information (year, make, model). If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.

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Toyota offers a variety of spark plugs designed specifically for your vehicle`s engine, including U-Groove, Dual-Ground Electrode, Double Platinum and even Iridium spark plugs.
Iridium spark plugs are better at starting engines than other types of spark plug because the spark is highly concentrated in the central electrode, and consequentially requires less voltage to operate. This makes ignitions faster and more reliable, and also reduces power consumption.
If your owner`s manual specifies iridium spark plugs, don`t downgrade to platinum spark plugs or copper spark plugs; if you downgrade, you run the risk of poor engine performance. You can also consult your mechanic for guidance on selecting the best spark plug for your car.
Greater engine power from iridium spark plugs

The spark plug manufacturers are unanimous about the fact that iridium spark plugs can considerably improve the engine power. The advantage is crucial when you need to navigate through difficult driving situations or climb steep slopes.

Extended lifespan: The iridium spark plugs usually have a longer lifespan that keeps you free from worries for a long time. Enhanced durability: Iridium has a silvery-white metal that is usually harder compared to platinum. The material makes iridium spark plugs the hardest in the market.
Iridium Spark Plugs – Service Life

Denso Iridium spark plugs use a much thinner electrode than even the NGK. Given how long the NGK electrodes last you could argue the NGK are over engineered and reducing their diameter would have no effect on their service life.

Most cars that take copper spark plugs can use iridium plugs, but they need to be the right size, voltage, and heat range. Only use spark plugs that are compatible with your engine. Performance should also be in mind.
NGK builds two types of iridium spark plugs: OE Iridium and Iridium IX®. Every plug in the Laser Series was designed for an OEM application. All dual precious metal plugs are designed to provide maximum longevity.
Lifespan of iridium spark plugs

Not all iridium spark plugs are the long-life type, there are also some that have the same lifespan as a normal spark plug: 20,000 km (light automobiles: 10,000 km, motorcycles: 5,000 km).

Platinum spark plugs

These plugs are a high value for the money, giving you considerably higher performance, gas mileage, and longevity that`s second only to iridium plugs. They can last about twice as long as their copper counterparts, making them a popular choice in city cars and some sports cars.

Ordinary copper and nickel spark plugs should be changed every 30,000 to 50,000 miles, unless otherwise suggested by the spark plug manufacturer. Platinum and iridium spark plugs tend to last longer than standard copper and nickel spark plugs. Expect to change them every 60,000 to 150,000 miles unless otherwise noted.
Denso on the other hand have taken the superior hardness of Iridium and chosen to shrink the diameter of the electrode more than NGK. Because there is less material in the Denso Iridium spark (vs NGK Iridium) plug the life of a Denso Iridium Power spark plug is going to be theoretically less than an NGK iridium plug.
Laser Iridium

The plug has excellent durability, because an iridium alloy chip made from extra-fine new material, is used for the central electrode (0.6mm) and a platinum alloy chip is used for the ground electrode. It also has a high ignitability and helps reduce discharge voltage.

Denso on the other hand have taken the superior hardness of Iridium and chosen to shrink the diameter of the electrode more than NGK. Because there is less material in the Denso Iridium spark (vs NGK Iridium) plug the life of a Denso Iridium Power spark plug is going to be theoretically less than an NGK iridium plug.
What`s The Lifespan Of An Iridium Spark Plug? The average, modern iridium spark plug should last for 3-4,000 hours of engine uptime, depending on the gas quality.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Spark plug chaos. Rubber stoppers are preventing the spark plugs from coming out.
ANSWER : Hi there. Try using a pair of small needle nose pliers to pull off the rubber boots from the spark plugs. As you pull, twist the rubber boots to break them free. If you cannot get the rubber boots off, then try using some mineral oil on the boots to aid them off, then clean off the oil with soap and water with degreaser. If you need further assistance with removing the boots from the spark plugs, then seek out a professional, such as one from Your Mechanic, to help you.

Do you use iridiums spark plugs on the spark plug replacement
ANSWER : The OEM plug is platinum. If you desire iridium, simply note that in the customer notes or let the mechanic know at time of scheduling. Obviously, without contrary advice, the original, or aftermarket equivalent, of a part is always used but if you desire an alternative part, just so long as it is cataloged and available for your car we are happy to help you with that. If you desire plug replacement, please use YourMechanic’s convenient service page for spark plug replacement. Once on that page, please click on "Get a Quote" and enter your vehicle information (year, make, model). If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.

Engine will not stay started. I have replaced idle control valve map sensor spark plugs spark plug wires no check engine light is
ANSWER : You have a problem with the distributor assembly. I recommend replacing the distributor assembly. This will replace all the possible sensors and coil for the ignition and fix the problem you have.

After part replacements, spark plugs do not work – 1996 Lexus LX450
ANSWER : If you have a Check Engine Light on, first check for those codes to determine what engine management thinks is going on. If no trouble code, check the ignition fuse behind the driver side kick panel (carpeted panel at foot level on the left – for left-hand drive vehicles). If the engine is spinning quickly, and doesn’t appear to be meeting any resistance (as a motor with good compression would have), you may have a broken timing belt. If so – STOP, call a professional mechanic, like a certified technician from YourMechanic for help.

Engine light fault. There was a bad spark plug and a failed ignition coil. Replaced both the coil pack or spark plug.
ANSWER : Hi there. If the light is coming on then shutting off and returning on, then if the issue is for the same coil, there could be an issue with the wiring on the coil plug. Check the wiring on the coil plug and see if the wires are split, broken, or burned. If there is nothing wrong with the plug, then the main engine harness has an issue / short and may need replaced. If you need further assistance with your ignition system, then seek out a professional, such as one from Your Mechanic, to help you.

Just replaced spark plugs and wires and my car is still miss firing and I can’t pin point why and my old spark plug is oil covered
ANSWER : Hello there, many faults will cause your 1988 Ford Contour to have a misfire even after the spark plugs were replaced. When oil is seen on the spark plug this indicates that the valve cover is leaking onto the plugs. When this happens it fouls the plugs and can cause a misfire. Until the oil leak is addressed the spark plugs will continue to become fouled. If the misfire persists there are many potential causes such as the plug wires, fuel pump, vacuum leak, oxygen sensor, MAF sensor, or the cap & rotor. A qualified Technician such as one from YourMechanic will be able to diagnose your misfire fault and make any repairs required to resolve the issue.

Need to replace bad spark plug & coil pack on Ford Expedition but not sure what else I need besides the plug and coil pack?
ANSWER : Hi There,
I would recommend having an expert from YourMechanic come to your location to take a look at the vehicle to first determine what the cause of the misfire is if this has not already been done. Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft position sensor, spark plugs, spark plug wires or ignition modules not working properly. When the misfire results from a fuel related issue, this is commonly related to a lean fuel condition (lack of sufficient fuel supply to the motor). Fuel related misfires can be caused by many different things such as low fuel pressure, faulty or dirty fuel injectors, a faulty O2 sensor, a dirty or failing mass air-flow sensor, a faulty or dirty idle air control valve or a vacuum or intake leak. When the fuel supplied to the combustion chamber is insufficient, this results in an ignition (spark) that is igniting a less than balanced load of fuel and air. This results in a misfire or an explosion in the cylinder that is much less powerful than the other cylinders. This creates a loss of power that resonates throughout the motor additionally causing other problems with ignition and fuel timing. Due to the number of different things that may cause an engine misfire, the quickest and easiest way to diagnose this type of problem is to hook the vehicle up to a scanning tool which will download any potential fault codes that may have registered in the vehicle’s computer as a result of the poor running condition. I would recommend having an expert from YourMechanic come to your location to diagnose your misfiring problem.

Emitting smoke out tailpipe after spark plug and valve cover replacement, no overheating, after a week spark have black oil deposi
ANSWER : It’s pretty common for the spark plug tube seals to fail, allowing the tubes to fill with oil. It could be that when you performed the repair, the seals didn’t get installed properly. Other potential causes for your oil-soaked plugs include worn valve guides, worn rings or a faulty positive crankcase ventilation (PCV) system. Any of these issues can result in blue-gray or gray-white smoke being emitted from the tailpipe. I recommend having a professional diagnose and repair your concern. YourMechanic is an excellent option because we come to your home or office.