Similar to the Elantra, the Sonata should have its coolant replaced no later than 120,000 miles and its spark plugs replaced around 95,000 miles.
In This Article...
SERPRESULT
Conventional spark plugs will eventually wear out after 30,000 to 40,000 miles, which could result in stalling, starting issues, and engine troubles.
When should spark plugs be changed?
The timetable for vehicle maintenance should be followed when replacing. This will be mentioned in the owner’s manual for the car. At 30, 60, or 100k miles, some vehicles need to be regularly replaced. Spark plug failure before the service schedule is occasionally possible, however it is not frequently the case.
Putting off replacing your spark plugs can lead to:
- having trouble starting your car.
- Check for a misfire code on the check engine light.
- When the check engine light flashes during acceleration because of a misfire, the engine may be harmed.
- reduced power and/or fuel efficiency.
- rough idle, and/or inexplicable vibration of the engine.
- State emission tests failed.
Spark plugs should always be replaced in sets, even if just one is determined to be broken. In most engines, 4, 6, or 8 spark plugs are used.
When should I have my Hyundai Sonata’s spark plugs changed?
30,000 miles every Spark plug replacement for the Sonata should occur at 95,000 miles, and coolant replacement should occur no later than 120,000 miles.
How much do Hyundai Sonata spark plugs cost?
Our Hyundai Sonata Spark Plugs OEM and aftermarket parts cost between $2.29 and $31.49 each. We carry well-known brands like Autolite if you’re interested in a certain brand of Hyundai Sonata Spark Plugs items.
Spark plugs: Do 2014 Hyundai Sonatas have them?
One of the most important ignition parts of a 2014 Sonata is a spark plug, which uses electricity to ignite gas and turn the engine.
How many miles before spark plugs need to be replaced?
And as a general rule, we advise replacing spark plugs every 30,000 miles, which is in line with the advice of the majority of manufacturers.
What occurs if spark plugs aren’t changed?
The following specific problems are present: • Reduced fuel efficiency • Unresponsive acceleration • Unstable idling or stalling • Engine operating more roughshod or not at all
Lack of spark from the spark plugs causes incomplete combustion of the air/fuel mixture, which reduces engine power and, in the worst case, causes the engine to not start. Deteriorated spark plugs will interfere with other engine components that provide electricity, increasing the likelihood that those components may fail.
Compared to modern cars, ancient cars’ engines were less sophisticated. In the past, you could replace the spark plugs by yourself. But as more sophisticated technologies like computers are added to modern vehicles, there are more instances of vehicles where other engine components prevent the sparkplugs from being accessed.
It is rather easy to change the spark plugs. They are simple to unscrew. However, if any debris gets into the area where the spark plug was removed, it will harm the cylinder’s interior, so take this into consideration.
Additionally, the thread of the cylinder head could be harmed if the spark plugs are screwed in too firmly. If this happens, it will be necessary to replace the cylinder head, which is an expensive repair. The same caution is urged.
Spark plugs are one component of an engine that will soon be obsolete, but for the time being they are a crucial component that guarantees efficiency. It is advised to replace them before their performance declines.
How frequently should a Hyundai be serviced?
When should I have my Hyundai serviced? You must have your car maintained on a regular basis if you want it to last for many years. There are a few generally acknowledged instances when you ought to unquestionably get it serviced: 15 miles, 30 miles, 60 miles, and 90 miles
How frequently does a Hyundai Sonata require maintenance?
Every 8,000 miles, the manufacturer advises having your Hyundai Sonata serviced. You can anticipate the technician to change the engine oil and filter and rotate the tires at each session.
How can you tell whether you need spark plugs?
- Engine sputtering One or more of your spark plugs may not be burning properly if your engine is misfiring, which is a clear symptom.
- low fuel efficiency Your engine’s spark plugs burn fuel effectively when they are functioning properly.
- difficulty starting.
- Slowing down the pace.
- A rough idle
Do 2015 Hyundai Sonatas have issues with their engines?
The powertrain of the 2015 Sonata is by far the most serious issue. The throttle control system is causing havoc despite the fact that the engines and transmissions are fine on their own. More than 300 reports describe problems with stalling, unwanted acceleration, engine hesitancy, and wildly variable rpms.
Numerous accounts also discuss check engine lights and high oil use. One owner said that after having their ECU reset to address the issue, the problem soon reappeared. Unfortunately, the throttle system still has no factory remedy.
Are the engines in 2015 Hyundai Sonatas subject to a recall?
- Due to defective connecting-rod bearings that may wear out too quickly and harm the engine, Hyundai has recalled 128,948 vehicles.
- The 2012 Santa Fe, the 2015–2016 Veloster, the 2011–2013, and the 2016 Sonata Hybrid are all included in the recall.
- Beginning on January 22, 2021, owners of the impacted vehicles will get notifications, and those whose engines exhibit bearing deterioration will have their engines replaced.
According to the National Highway Traffic Safety Administration, connecting-rod bearings in Hyundai Motor America’s 128,948 vehicles, including the 2012 Santa Fe, the 2011 to 2013 and 2016 Sonata Hybrid, and the 2015 to 2016 Veloster, could prematurely wear out and harm the engine (NHTSA). The engine damage may ultimately raise the risk of a fire or an engine stall, both of which may cause an accident.
Beginning on January 22, 2021, owners will receive notices about the recall and instructions to take their cars to a Hyundai dealer. The engine will be replaced if the dealer discovers bearing damage. Through a software update, dealers will also install a new Knock Sensor Detection System (KSDS); the system will monitor engine vibrations to find signs of damage or early wear.
Owners of these cars should watch out for any of the following before receiving notification of the recall because they may be signs that the engine’s connecting-rod bearings are wearing down: odd engine knocking sounds, diminished power or hesitation, the “check engine” or “engine oil pressure” warning lights coming on, or a burning smell, oil leaks, or smoke.
Hyundai owners can see if their car is subject to the recall by visiting the NHTSA website or downloading the new recall app.
OpenWeb was used to import this content. At their website, you might be able to discover the same material in a different format or more details.
Are Hyundai Sonata repairs expensive?
During the first ten years of ownership, a Hyundai Sonata will require maintenance and repairs costing approximately $5,998.
This is $1,098 less than the industry average for popular sedan models. Additionally, there is a 17.73% risk that a Sonata will need a significant repair at that time. Compared to competing automobiles in this segment, this is 3.77% better. The following graph shows how these expenses and the likelihood of repairs will rise over time.
Share
What symptoms indicate a damaged spark plug?
Your engine’s spark plugs should be clean and have no damage to the electrodes for optimum performance. Your engine’s performance may suffer if your spark plugs are clogged or unclean. A fouled or damaged spark plug is one that has become covered with debris, such as fuel, carbon, or oil, or one that has blisters from operating at an excessive temperature. Driving with fouled or damaged spark plugs might result in a variety of engine issues. Bad spark plug signs may include:
- reduced fuel efficiency
- inadequate acceleration
- rocky starts
- engine stalls
- erratic idling
What happens during a tune-up on a 2015 Hyundai Sonata?
There are a number of Hyundai Sonata engine tune-up options available at your neighborhood Firestone Complete Auto Care.
Along with a visual check of your engine’s parts and the installation of new spark plugs, this service also comes with a lifetime parts warranty*.
Your Sonata’s filters are given extra attention via a different servicing option. We specifically change the air and fuel filters.
Another service is fuel system cleaning, which entails clearing out varnish, debris, and carbon buildup from your Sonata’s fuel injectors, throttle body, and throttle plate.
Here’s something to keep in mind when selecting services: the type of service your Sonata requires might be determined by the vehicle’s mileage and service history.
To find out more about the particular requirements for your car, discuss your driving habits, mileage, and service history with a technician.
What is included in a Hyundai tune-up?
There are numerous Hyundai Accent engine tune-up options available at your neighborhood Firestone Complete Auto Care.
New spark plugs (and installation! ), a comprehensive examination of all engine parts, and a lifetime parts warranty* are all included in the basic Firestone Tune-Up.
The second service is concerned with the filters of your Accent, specifically with changing the air filter and fuel filter.
A complete cleansing of the fuel system is the third service we offer. To remove damaging varnish, filth, and carbon deposit buildup from your Accentas fuel injectors, throttle body, and throttle plate during this type of tune-up, we employ a three-step procedure.
When selecting a tune-up service for your Accent, keep in mind that the optimum option will depend on your vehicle’s maintenance history and mileage.
To make sure that the money you spend on an engine tune-up is properly spent, speak with a Firestone expert before you commit to a particular service.
What indications do you have that your car needs a tune-up?
- Reduced fuel mileage is one.
- Strange or novel noises.
- Reduced Braking Capability.
- ignoring cautionary signals.
- The engine won’t start
How can one tell whether they require a tune-up?
You can feel the roughness of the road via the steering wheel and automobile frame when you’re driving over it. It’s definitely not a pleasant feeling! Although it hurts, it is quite normal because your car is responding to the road surface.
Being on a smooth, paved road and having your automobile begin to vibrate is not entirely typical. This suggests that there is an issue on the inside. It is a clue that you need to visit us whether you only experience it at particular speeds, in the steering wheel, or it feels like the entire vehicle could vibrate apart.
What is the price of a complete tune-up?
A tune-up typically costs between $40 to $150, but depending on what is included, the price may be as high as $800. It’s crucial to comprehend what a tune-up entails in detail and how much one should cost.