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How to check spark plugs

When your car doesn't start, you should check the spark plugs. Make sure to wait until the engine has cooled down! The engine of your car can get very hot. The spark plugs can be found under the bonnet. You will see a bundle of spark plug cables on the engine. There are often four to eight of them. This differs per brand and type of car. The plugs are under the covers at the ends of these spark plug cables (side of the engine). You can also consult the car’s manual to find the exact location.

Symptoms of bad spark plugs

Next, you can check them for wear. A worn spark plug can be recognized by a number of points, namely; carbon deposits, fusing, deposits and insulator breakage. You can also recognize wear on the colour of the spark plugs. Is the colour of the spark plug black or grey? Then it indicates carbon deposit or deposition. However, a light brown colour does not indicate a defect, this is a normal colour.

How often change spark plugs

It is difficult to determine when you need to change spark plugs. They do not really have a fixed lifespan. However, we would recommend replacing the spark plugs around the 30,000 miles. It is better to replace them a little too early than late. Driving with bad spark plugs can cause damage to your car’s engine. And again, damage to the engine can lead to high costs. However, spark plugs are relatively cheap in purchase and replacement, so doing this in time is wise. The spark plugs also need to be replaced if they have one or more of the symptoms mentioned above.

Spark plug replacement

Do you recognize one of the symptoms mentioned earlier? Then it is time to replace the spark plugs. But, before you start replacing the spark plugs, you must first let the engine cool down. The spark plugs, engine block and the exhaust system are extremely hot when the engine has just run.

Now you can start with replacing the spark plugs. Work the plug carefully upwards and grab it at the bottom. Although, be careful, never pull on the spark plug cable. If the cable is damaged, you have a lot more work to do. Then put the spark plug wrench over the spark plug and take it out of the housing. We advise you to immediately check whether the spark plug cables are subject to wear. Then place the new spark plug and tighten it with the spark plug wrench, but do not over tighten it.

Spark plugs

Spark plugs have the task of giving off a spark for the ignition of the engine. Due to the regular use, they will wear out, will get dirty or even break. Bad spark plugs cause the engine to start more difficult or to run badly. Do you notice that your engine is having a hard time or that your car doesn’t start properly? Then it may be time to replace the plugs. You can easily replace the plugs yourself with a spark plug wrench. You can buy new spark plugs simple and easy at Winparts. It differs per make and model car how many plugs you need. You can see this underneath the bonnet or in your car manual. Winparts sells, among others, the brands NGK, Bosch, FEBI and Beru. Fill in your number plate or car model at the website to find the right spark plug for your car.

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Spark Plug BPR6ES NGK

4,73 11 Reviews

Quality: Copper - Nickel (15,000 km)
Heat range: 6
Polarity: 1
Spanner Size: 20,8 mm
Spark Plug: 1 - Earthed Electrode
Outer thread [mm]: 14,0
Thread Length [mm]: 19,0
Spark Plug: With gasket seat
Spark Plug: Nickel Middle Electrode
Spark Plug: Unscrewable SAE connector
Spark Plug: Interference Suppression 5 kOhm
Spark Position [mm]: 3,0
Warranty: 2 years