How often should you replace spark plugs Reddit?

The usual rule of thumb is that, regardless of the vehicle, standard copper plugs are good for about 30k miles, and platinum and iridium plugs are good for about 60k miles.

How often should I change my spark plugs Reddit?

Depending on the plug you have they should be good for 100,000 miles, though mileage drops a bit as they wear, so you might want to do it a little sooner, maybe 60,000 to 80,000.

Should I replace my spark plugs Reddit?

the stock NGK/denso plugs are good to about 100K. I’d do em around 80-90K. If it’s not broken (and it doesn’t exceed the manufacturer’s specified maintenance interval) don’t fix it. That’s just throwing money down the drain!

What happens if you don’t replace spark plugs Reddit?

Spark plugs deteriorate over time. Not changing them might mean reduced fuel economy, less responsive acceleration, or engine just not running right.

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Do you really have to replace spark plugs?

Conventional spark plugs need to be replaced every 30,000-50,000 miles. Long-life (iridium- or platinum-tipped) spark plugs need to be changed between 60,000 and 150,000 miles, depending on the vehicle. … Spark plugs may also need to be changed earlier if there is a problem with them.

What are the benefits of changing spark plugs?

What is the benefit of replacing a spark plug?

  • Consistent production of optimal combustion. Fully functioning spark plugs equate a fully functioning combustion system. …
  • Better fuel economy. …
  • Smooth and energetic starts. …
  • Less harmful emissions.

How much does it cost to change spark plugs Reddit?

At a dealership you can expect to pay around $25 per plug plus the shop rate for labour which they almost always round up to the hour. So lets say $100 for 4 plugs and $150 is the shop rate = $250.

How do I know if I installed spark plugs?

The rule of thumb for spark plugs is, if the spark plug has a metal gasket seat, 1/4 turn once the plug is finger tight. If the spark plug has a tapered seat, 1/8 turn once the plug is finger tight.

Can you replace spark plugs yourself Reddit?

I’d recommend changing the plugs at the manuals recommended intervals and even sooner. You’d be surprised how much fuel economy you lose with improperly gapped/fouled plugs. Plus, it’s fun and cheap :) Once you change your plugs by yourself once, you won’t mind doing it sooner and plugs are cheap enough.

Does replacing spark plugs improve performance?

The short answer is Yes, when you replace the spark plugs and wires can increase your vehicle’s performance. New spark plugs help keep your engine at its peak performance and efficiency levels.

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What happens if you dont change spark plugs?

Spark plugs will depreciate over time, so various engine issues will arise if they are not replaced. When the spark plugs do not generate the adequate spark, 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.

Does replacing spark plugs improve performance Reddit?

As the poster above said “properly working “ spark plugs absolutely will not have a performance difference, however, if those plugs really have 120,000 miles on there is no possible way they’ll be properly working and they absolutely can cause a significant decrease in performance.

How long do spark plugs last in years?

When your engine is functioning correctly, spark plugs should last between 20,000 and 30,000 miles. The U.S. Federal Highway Administration clocks Americans’ average annual mileage at 13,476. Break this down into spark-plug life expectancy, and it comes to between 1.5 and 2.25 years.

Does changing spark plugs make a difference?

A Noticeable Difference

Increased Fuel Economy – Misfiring spark plugs can reduce fuel efficiency by as much as 30%. New plugs that are replaced at regular intervals maximize fuel economy, saving you money.

Can I drive my car with a bad spark plug?

Continuing to drive with worn out or damaged spark plugs can ultimately cause engine damage, so don’t put it off.