Spark Plug Replacement Cost – Average Price to Replace a Spark Plug

HOW MUCH DOES IT COST TO REPLACE A SPARK PLUG?

How often do you need to change spark plugs? How much does it cost to change spark plugs and coils? Spark plugs are vital components of a vehicle’s ignition system. When the car’s key is turned on, it triggers the ignition coil to produce the spark that will be needed to ignite the air & fuel mixture in the engine cylinders. A vehicle has same number of spark plugs and cylinders, although some manufacturers will utilize 2 spark plugs on each cylinder.

Over time, a spark plug will need to be replaced after fulfilling its purpose in the car’s engine. When the spark plug begins to wear out, it will be difficult for it to ignite the air-fuel mixture, which will then result in the engine misfiring.

In a situation whereby it is a single spark plug that has failed, the car will be able to start, but it won’t run properly. So there is the need for a vehicle owner to understand the spark plug replacement cost.

DIAGNOSIS OF SPARK PLUGS ISSUES

Once a vehicle begins to develop problems, as a result of issues with the spark plugs, the first thing to do is to diagnose the specific problem with the vehicle. A professional scan tool can be utilised for this purpose. This will assist the mechanic to decipher the main issues with the engine.

If the problem is traced to the spark plugs, the first step to take is to check if they are well connected with the ignition coil. If it is confirmed to be in place, the plugs will need to be taken off and the gap on the spark plugs should be checked.

In a situation whereby there is a little gap due to corrosion or large as a result of deterioration, then the spark plugs need to be replaced. However, if the spark plugs are suspected to be in a working perfectly, a spark plug tester will be used to test if the spark plugs will produce sparks.

REPLACEMENT OF A SPARK PLUG – HONDA ACCORD, CIVIC, ODYSSEY, TOYOTA CAMRY, HIGHLANDER, COROLLA, BMW X5, FORD F150, HONDA PILOT, ACURA MDX, MERCEDES, 

To replace the spark plugs on the latest model of cars, the cover of the engine will need to be removed, followed by the harness that holds the ignition coils as well as the ignition coils themselves and finally the spark plugs. Older versions of cars will only require the spark plugs and the wires removed only. And there are some situations in which it will be impossible to access the spark plugs without lifting the engine.

After the spark plugs have been removed, the new spark plugs’ gap are then set to what is specified by the manufacturere before installation into the head with the use of a proper torque. Before the spark plug wires are reinstalled, it is advisable to apply dielectric grease to the plug terminal to ease the flow of electricity.

It is important to note that when the spark plugs are being replaced, it is very important to inspect the ignition cables. And also spark plugs come in many ratings, so it is advisable that the specific rating of the vehicle should be used.

SYMPTOMS OF A BAD SPARK PLUG

What are the symptoms of bad spark plugs?

  1. There will be an unexpected vibration coming from the engine
  2. The engine will begin to misfire
  3. The engine will begin to consume so much fuel
  4. In modern vehicles, the engine light will be switched on, indicating that there is an issue with a component of the engine. It is very much likely that the indicator begins to blink while the spark plugs are failing and will continue to do so until the spark plugs are replaced

WHAT IS THE COST OF REPLACING A SPARK PLUG?

What Does it Cost to Replace Spark Plugs? A lot of factors will determine the cost of spark plug replacement. The most important being the type of vehicle, year of manufacturing and the type of technology involved in the making of the vehicle. Spark plug replacement is quite easier to carry out in old version of vehicles compare to the latest versions. Labour cost also goes into the final cost of replacing a spark plug. A vehicle owner will spend less on old vehicle versions compare to the latest ones.

The cost of replacing a spark plug will range from $40 to about $300. For instance in the 2016 Ford Falcon, the cost of replacing a spark plug ranges between $130 and $230, according to https://www.autoguru.com.au

IS IT POSSIBLE TO DRIVE WITH A SPARK PLUG ISSUE?

When a spark plug is already showing symptoms of being bad, driving in that condition will send partially combusted from the engine of the vehicle into the exhaust at a very high rate. This will cause so much pressure on the catalytic converter. And the catalytic converter is not designed to withstand high amount of unburned fuel.

WHEN DO YOU NEED TO REPLACE THE SPARK PLUGS?

Spark plugs do not move, but they are exposed to very high temperature, gasoline, fire, carbon and high pressure. Despite this harsh exposure, failure will only occur after about 100,000 mileage under normal driving condition. This however will be shortened when the vehicle is exposed to a very harsh condition.

WHERE TO GET A SPARK PLUG REPLACEMENT

If you are bothered about where to replace your spark plugs, spark plugs can be replaced at a mechanic shop or any car dealership around you. A user on https://community.cartalk.com/t/how-much-should-a-spark-plug-replacement-and-tune-up-cost/1015 reported that he got his spark plugs replaced at Firestone. You can as well check on them as they have modern facilities to deliver to you the best services.

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