Toyota Sienna Spark Plug Replacement Cost

The average cost to replace spark plugs in a Toyota Sienna is $100-$120.

If you’re the owner of a Toyota Sienna, you may be wondering about the cost of replacing spark plugs. Fortunately, the cost isn’t too high, and you can save even more money by doing the work yourself.

The average cost of a new spark plug is between $3 and $5, so if you need to replace all four plugs, you’re looking at a total cost of around $20. You can find spark plugs for your Sienna at most auto parts stores.

If you’re not comfortable doing the work yourself, you can always take your Sienna to a mechanic and have the work done. However, you can expect to pay a bit more for labor costs. The average cost of having a mechanic replace all four spark plugs is between $60 and $100.

Either way, spark plug replacement is a relatively inexpensive maintenance item for your Toyota Sienna. And, it’s a good idea to replace your spark plugs every 30,000 miles or so to keep your engine running smoothly.

How Much Does It Cost To Replace The Spark Plugs In A Toyota Sienna?


How Much Does It Cost To Replace The Spark Plugs In A Toyota Sienna?
It’s a good idea to replace your spark plugs every few years to keep your car running smoothly. Here’s a step-by-step guide to replacing the spark plugs in a Toyota Sienna.

1. Locate the spark plugs. They’re located under the covers on the side of the engine.

2. Use a spark plug socket to remove the old plugs.

3. Clean the area around the spark plug holes.

4. Install the new plugs.

5. Tighten the plugs until they’re snug. Don’t overtighten them.

6. Replace the covers and you’re done!

Spark plugs typically cost around $10 each, so the total cost for this job will be around $40-$50.

How Often Does A Toyota Sienna Need Its Spark Plugs Replaced?

The Toyota Sienna usually needs its spark plugs replaced every 100,000 miles.

Toyota Sienna’s typically need their spark plugs replaced every 30,000 miles. However, it’s important to check your owner’s manual to see what the manufacturer recommends for your specific vehicle.

If your spark plugs are starting to wear out, you may notice a few symptoms. The engine may misfire, run rough, or lose power. You may also notice a decrease in fuel economy.

If you’re due for a spark plug replacement, the process is pretty simple. You’ll need a ratchet, spark plug socket, and extension. You’ll also need a few other tools to remove the intake manifold if your Sienna has one.

Once you have all the tools you need, follow these steps:

1. Locate the spark plugs. On a Toyota Sienna, they’re located on the side of the engine.

2. Remove the spark plug wire by pulling it straight off the spark plug.

3. Using the spark plug socket and extension, remove the spark plug from the engine.

4. Inspect the spark plug. If it’s damaged, replace it with a new one.

5. Re-install the spark plug and hand-tighten it.

6. Re-attach the spark plug wire.

7. Repeat these steps for the other spark plugs.

8. Start the engine and check for any leaks.


What Are The Symptoms Of A Toyota Sienna That Needs New Spark Plugs?

The symptoms of a Toyota Sienna that needs new spark plugs include a loss of power while driving, a decrease in fuel efficiency, and a rougher than usual idle.

Where Can I Get My Toyota Sienna’s Spark Plugs Replaced?

A Toyota Sienna’s spark plugs can be replaced at most auto parts stores or at a Toyota dealership.

Hopefully, you are clear on the cost of replacing spark plugs on a Toyota Sienna. If you still have any questions, feel free to comment below.

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