Costs of Spark Plug Replacement The cost of replacing spark plugs depends largely on how many spark plugs there are. For a four cylinder engine, on average the cost to replace the spark plugs is about $140. For a six cylinder engine, the average cost is about $180.
Should I replace all spark plugs at once?
Q: Should You Replace All Spark Plugs At Once? A: Yes, as a general rule, it's better to replace all plugs at the same time to ensure consistent levels of performance.
Is it worth it to change spark plugs?
In general, it's best to replace spark plugs as part of preventative maintenance based on manufacturer's specifications. This can help save you from costly repairs, as driving with misfiring spark plugs could put undue stress on your car's catalytic converter (the engine's exhaust cleaner).
How much money can you save by replacing your spark plugs?
So how – and how much – can you save? According to AAA, replacing your spark plugs before their stated life span is up can save up to $450 a year in wasted fuel.
Related Question How much does it cost to replace all spark plugs?
Is it OK to have different brand spark plugs?
Although many motorists and technicians prefer to stick with the same brand when replacing spark plugs, there's nothing on the label that limits a particular brand of plug to a particular vehicle make or model.
Do you need to disconnect battery to change spark plugs?
No. The battery will not cause any problems when changing the plugs.
Does Walmart do spark plug changes?
Yes, Walmart Auto Centers will tune-up your spark plug or replace it altogether. Customers can expect to pay $32-$98; prices vary depending on size, the metal used to manufacture, and car type. Spark plugs typically take one hour to replace or tune; however, you should allow up to 4 hours.
How much does a spark plug job cost?
The price of a new spark plug varies depending which brand you buy and your vehicle. Typically, the tools needed to replace your spark plug will cost anywhere from $52-$100, and the labor cost will run you anywhere from $60-$360 depending on where the mechanic shop is located.