Anyone who has purchased a used car ought to find out when the spark plugs were last changed. Changing the spark plugs along with the ignition coil is a good idea. When changing or cleaning/regapping your spark plugs, remember to check the plug connection caps and wires for cracks or other evidence of wear or … You’d have to replace the spark plug wires every 3 to 5 years usually b/c of this insulation cracking problem. It seems that everyone has an opinion about platinum and iridium plugs compared to the standard copper-core version. Dear Valued Customers, After conferring with State and local officials and based on the relatively small number of personal interactions involved in our daily operation we have decided to continue to function and will be open regular hours. Its not usually a factor until very high mileage, but what does tend to happen is carbon, oil, junk, and other debris gets stuck on the plug reducing its ability to fire a full spark. Conventional spark plugs are not very expensive ($6-10 per spark plug). Limit your maintenance time. There are warning signals that let the owner know the spark plugs are starting to lose their effectiveness. Moving to a premium, fine-wire plug reduces fouling, improves engine starts/smoothness, and extends plug life by three to four times. We are committed to your safety and well being and will comply with any restrictions imposed by authorities. overall design is very similar) The standard spark plug you are replacing is a basic copper plug (the Iridium plug will then be a more significant upgrade) The engine has a large cylinder capacity and a large number of cylinders; Least benefit will be realized if: Plugs can make a huge difference. Labor charges depend on the engine design. They’re also built to last and feature 8mm silicone and synthetic jackets to resist heat and abrasion, silicone boots to protect against high exhaust temperatures, and an Aramid core to provide great strength and durability. 4) The ability to turn off spark to a failed cylinder to limit damage to the catalyst in certain misfire conditions. Misfires caused by worn spark plugs will cause older vehicles to buck, stall, … Car owners have to appreciate that this is more than just another nagging little poke in the ribs. Reason 1: New spark plugs help keep your engine at its peak performance and efficiency levels. Changing your spark plugs is vital to keeping a healthy car. Iridium spark plugs can improve your fuel economy. Platinum spark plugs offer a slightly cheaper but less reliable option if you don’t want to spend as much on iridium spark plugs. A lack of acceleration is also a danger signal. This is the job of your spark plug wires. Back in the day, a tune-up meant replacing spark plugs, spark plug wires, the distributor, distributor cap, rotor and points and condenser in addition to setting the timer and adjusting the carburetor. But as those misfires get more and more frequent, they also get more troublesome. Here's what happens: Worn spark plugs cause higher voltage requirements, forcing the ignition module and coil to produce higher and higher voltages to overcome the resistance. But we’ve got three great reasons why you shouldn’t put off replacing your old spark plugs. The engine communicates loud and clear about difficulty with the spark plugs. This is necessary due to the aging of the spark plug wires from exposure to extreme temperatures (hot and cold), engine chemicals (oil, grease, coolant, etc.) This there may be lifelong spark plugs in the car, but problem still can happen that may result in spark plugs becoming increasing more defective. A few years ago I used to go over 50,000 miles without changing spark plugs, im sure I only got them changed when the car was misfiring but since then I learnt a valuable lesson and now change them when there due. The misfires that may occur will increase exhaust emission as well as harm gas mileage. Here are seven symptoms that let you know it’s time to replace your spark plugs. The article discusses whether you should replace ignition coil with spark plugs: Why Ignition Coil Fail? The challenge is to get the maximum amount of this charge to the plugs without creating interference (EMI or RFI) for nearby electrical components. Spark plug maintenance entails simple cleaning and rotation on an annual or 100-hour schedule. Whether you do a complete tune-up or only change the spark plugs, spark plug wires (also known as ignition cables) should always be checked first. Great article. Is there any reason to replace them? Platinum or iridium spark plugs cost more ($15-40 each). In this video we review how long do NGK Iridium Spark Plugs last and what they look like after 100,000 miles. I agreed with the mechanic that he might as well put new wires in as well. New spark plugs provide a lot of other performance benefits as well. Tune Up Service: Ignition System and Spark Plugs When your vehicle is properly tuned, the ignition system, fuel system, emission system and computer system all work together in perfect harmony. This can create higher temperatures in the catalytic converter, and may in fact lead to a meltdown of converter parts. Below are five quick reasons or benefits to consider when deciding if you want to upgrade your spark plugs. Just one misfire can dump enough draw fuel into your vehicle’s exhaust to overheat and damage the converter. Benefits of Spark Plugs. The car was 15 years old and the wires original. The Autolite Iridium Ultra Spark Plug utilizes an ultra 0.5 mm finewire iridium centerwire tip design with laser-welded technology for optimal performance, durability*, ignitability** and fuel efficiency. The warning lights that may be seen on the dashboard regarding spark plugs is a sign that misfires are exceeding a given amount and has caused emissions to dramatically increase. Changing spark plugs could be a good idea when… 1. Spark plugs connect to wires that lead to the ignition system. Now, you’ve got two problems. The manufacturer’s guide is the best to check regarding spark plugs and when they  need  to be serviced. Don't hesitate to call the shop with questions. However, they need a constant supply of electricity to do that. Your vehicle may run, but it will lack power and eat up your fuel economy. The car is hard to start. So what are the benefits of changing spark plugs? There can also be moisture buildup due to leaking engine oil and other fluids on the coil windings which can reduce their lifespan. Changing the spark plugs is a way of assuring top efficiency and performance. Frequency of replacing spark plugs. The good news is that even with nickel-chromium plugs, you should only have to replace them every 20,000 to 30,000 miles. Having your spark plugs replaced regularly means that your vehicle should have far fewer problems starting up. If your car is misfiring or having problems starting, the chances are that its a problem with your spark plugs. Step 4. Spark plugs are part of the engine that need to be maintained and changed when necessary. For example, at idle, say 800 rpm, the spark will fire 200 times per minute in a 4-cylinder, 2.0-liter engine. Replace your dirty, fouled spark plugs with new ACDelco spark plugs. Changing plugs on most newer cars can be a … Whether you do a complete tune-up or only change the spark plugs, spark plug wires (also known as ignition cables) should always be checked first. This is what ignites the fuel in your engine’s cylinders, creating the combustion that pushes the pistons down and actually turns the engine. Tis the season for tune-ups, my friends! Spark plugs serve one of the most important functions on the automotive internal combustion engine. Platinum spark plugs are also recommended for cars with an electronic distributor ignition system, while double platinum spark plugs best fit vehicles with a waste spark distributor ignition system. Spark plugs are extremely important. Iridium spark plugs feature a fine wire center electrode that is designed to conduct electrical energy better and increase firing efficiency. Keeping your vehicle stocked with a good set of spark plugs instead means lesser voltage requirements on your ignition system, which decreases the chances of a misfire and leaves more amps for the starter and injectors. Spark plugs will age and as time goes by, the sharp edges wear down, and more voltage is required to bridge the gaps between the center and ground electrodes. Many people among us fail to choose the ideal spark plug wire for their vehicle. Over time, the spark tip on the plug can be deformed, corroded, coated, or otherwise destroyed. If your spark plugs are in good shape then there will be no appreciable difference. Do I need to change the spark plug wires? New spark plugs will minimize your risk of a catalytic converter failure. 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