how do you know if your car needs new spark plugs?
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["Regular maintenance. Check the owner's manual for the replacement interval. ... ", 'Spark plug wires. ... ', 'Fuel economy degradation. ... ', 'Slower acceleration. ... ', 'Rough idling. ... ', 'Engine misfires. ... ', 'Difficulty starting. ... ', 'Warning lights.']
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Spark plugs are a crucial part of the ignition system. ... If you have a four-cylinder engine, you will have four spark plugs, and so on. It is here that they receive an electrical current from the ignition coils. Next, they create the electric spark that ignites the compressed air-fuel mixture in the combustion chamber.
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What are some symptoms of bad glow plugs? In a nutshell, slow starting, and complete failure to start. Once the vehicle does start, missing, rough idle, hesitation, and lots of white smoke until the engine warms. If you have a four cylinder, one glow plug bad will cause slight hard starting and a miss.
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But not all spark plugs are the same. There are several different types on the market, and you'll need to ensure that you're getting the right type. Additionally, your vehicle might have more than one spark plug per cylinder (some high-performance engines have two).
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Your spark plugs are what supply the spark that ignites the air/fuel mixture, creating the explosion which makes your engine produce power. These small but simple plugs create an arc of electricity across two leads which are not touching, but close enough together that electricity can jump the gap between them.
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That's why it pays to replace your spark plug wires before they wear out. We recommend changing them during spark plug changes (whenever your owner's manual recommends, usually between 60,000 and 100,000 miles).
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If your spark plugs become dirty or fouled, it can affect how your engine runs. A fouled or bad spark plug is a plug that has become covered with a substance like oil, fuel or carbon or one that is blistered from running too hot. Driving with fouled or bad spark plugs can cause a host of problems for your engine.
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Your spark plugs are responsible for sparking combustion in your engine. If they misfire, or are working poorly, this can affect your gas mileage in a negative way. Having bad fuel injectors can cause bad mileage. This is because the fuel injectors are responsible for putting fuel into the engine.
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['Check the Engine Oil Condition. [01:34]', 'Check the Color of the Exhaust. [02:18]', 'Engine Size. [04:23]']
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The average cost to have your spark plugs replaced starts at around $120 up to $400+, depending on the type of spark plugs needed (regular or precious metal) and if other components, such as the inlet manifold, need to be removed to allow access.
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Each spark plug in a car has its own ignition coil. The coil is either physically connected to the spark plug with wires or it sits on top of the spark plug without using wires. The spark plug needs about 15,000 to 20,000 volts of electricity in order to form an electric spark that can ignite the fuel.
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If no spark on all cylinders, the culprit is typically the key switch, kill switch or ignition power pack. At this point, call your dealer. Fuel Check: Check to see that fuel is actually getting to the engine. Pump the primer bulb until it fills with fuel and gets firm.
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A worn out or faulty spark plug is a leading cause why your car engine vibrates or shakes uncontrollably. A worn out spark plug can prevent the fuel-air mixture to not get properly ignited in the cylinders, thus leading to misfiring. ... Installing new spark plugs is the best way to resolve such vibration related issues.
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In any car care matter, it's always best to follow the manufacturer recommended service intervals. Review your vehicle's suggested maintenance schedule to see when to replace your spark plugs. Luckily, spark plugs don't wear out very quickly. You can typically get 80,000 miles on them before they need replacing.
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The most common component to replace in conjunction with the ignition coils are the spark plugs. Worn spark plugs can cause unnecessary load on the coils and there is often some overlap in the labor required to replace both components.
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Spark plugs will deteriorate over time, so if they are not replaced, various engine issues will arise. When the spark plugs do not spark adequately, the combustion of the air/fuel mixture becomes incomplete leading to loss of engine power, and in the worst case scenario the engine will not run.
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If no spark appears, check for broken wires, shorts, grounds or a defective stop switch. Once you have confirmed that the stop switch is working, reconnect the spark plug lead.