How often should I change spark plugs STI?
Typically, Subaru spark plugs are first replaced around 60,000 miles and again every 30,000 miles after that.
How much does it cost to change spark plugs on an STI?
| Car | Service | Shop/Dealer Price |
|---|---|---|
| 2013 Subaru WRX STIH4-2.5L Turbo | Service typeSpark Plug Replacement | Shop/Dealer Price$580.55 – $806.81 |
| 2017 Subaru WRX STIH4-2.5L Turbo | Service typeSpark Plug Replacement | Shop/Dealer Price$496.52 – $672.35 |
How long does it take to replace WRX spark plugs?
Changing spark plugs takes about an hour (for a four-cylinder engine) and will save you at least a hundred bucks in labor if you do it yourself. In most cases it’s a simple job that will help to maintain peak performance and the highest possible gas mileage.
When to replace the spark plugs on a Toyota?
Pulling the spark plugs will make it obvious if replacement is needed — damage on the plugs is usually very obvious. When you’re ready to replace your spark plugs at the regular interval, or if they have become damaged, start your search here for high-quality Toyota replacement plugs.
When do you know it’s time to change the spark plug?
Here’s how you know if it’s time to change the plug: Rough engine idle. When your engine is not under acceleration (idling), it should run smoothly and consistently — if the plugs aren’t performing correctly, it will shudder and hesitate. Trouble starting the car.
Where do spark plugs go in an engine?
They sit inside the cylinder head where they create the spark that ignites fuel — the combustion that enables your engine to run. Spark plugs that have outlived their time will cause misfires in your engine — robbing it of efficiency and performance. Here’s what you need to know about spark plug replacement.
Why do Toyota spark plugs have an you shaped groove?
The name explains the design of this plug — it uses a U-shaped groove in the ground electrode. This u-groove traps the air/fuel mixture before the spark plug fires, making for a large spark, reducing fouling, and making for more efficient combustion. Available for select models, this design has several benefits: