If you’re wondering how often to replace spark plugs, you’re not alone. Spark plugs are small parts, but they play a big role in how your car runs. Many modern vehicles come with spark plugs that can last up to 100,000 miles. That sounds like a long time, but by around 80,000 miles, those plugs are already wearing out.
As spark plugs age, the gap gets wider. This can cause your engine to lose power and burn more fuel. You may not notice it right away, but over time your car won’t run as smoothly or efficiently.
Waiting too long to replace spark plugs can also lead to bigger problems. Old plugs can get stuck or even break when being removed. This can turn a simple job into a much more expensive repair. That’s why it’s often better to replace them a little early instead of waiting too long.
Why Regular Inspections Matter
Even if your spark plugs are designed to last a long time, it’s a good idea to have them checked every 30,000 miles. This gives your mechanic a chance to catch wear before it becomes a problem.
This is also a great time to check other important parts of your vehicle. During an inspection, you can look at:
These routine checks are part of good preventative maintenance, which helps keep your vehicle reliable and saves you money in the long run.
Signs Your Spark Plugs May Be Worn Out
Worn spark plugs can sometimes cause engine misfires or poor performance. If you notice rough idling, slow acceleration, or reduced fuel economy, it may be time for a check.
In some cases, these issues can even trigger your check engine light. If that happens, it’s important to schedule a check engine light diagnostics service to identify the problem quickly.
Choosing the Right Spark Plugs for Your Vehicle
When it’s time to replace your spark plugs, always use the type recommended by your vehicle’s manufacturer. This could be platinum, double platinum, or iridium plugs. Using the correct type helps your engine run better and ensures the plugs last as long as they should.
If your vehicle has spark plug wires, those should be inspected too. Worn wires can lead to misfires and may even damage your catalytic converter. Most spark plug wires last around 60,000 to 70,000 miles.
Prevent Costly Repairs with Routine Maintenance
Keeping up with spark plug inspections and replacements is a simple way to protect your engine. Small steps like this can help you avoid costly repairs and keep your car running strong.
Schedule Your Service Today
If your vehicle is due for a spark plug inspection or replacement, don’t wait. Contact your local Gresham auto repair shop today to schedule an appointment. Our team is here to keep your vehicle running safely and smoothly!