How often should I replace spark plugs on my Honda Fit?
Most Honda Fits built in recent years use iridium- or platinum-tipped spark plugs designed to last about 100,000 miles between changes; models that still use copper plugs typically require replacement around 30,000–60,000 miles. Your exact interval depends on plug type and driving conditions, so check your owner’s manual or the Honda Maintenance Minder to confirm the correct interval for your car.
Understanding the interval
To determine the right replacement time for your specific car, you should consider the spark plug type installed at the factory, the driving you do, and the maintenance reminders Honda provides. The Honda Maintenance Minder system can indicate when next service is due, including spark plug replacement in the appropriate cycle.
Typical replacement intervals by spark plug type
Before listing, note that these figures assume OEM-style plugs and standard driving conditions. If your car has copper plugs, or you’ve changed to non-OEM plugs, intervals can vary.
- Copper spark plugs: roughly 30,000–60,000 miles (48,000–96,000 km).
- Platinum spark plugs: commonly 60,000–100,000 miles (96,000–160,000 km).
- Iridium spark plugs: commonly up to 100,000 miles (160,000 km) under typical conditions.
Concluding: Always verify with your owner’s manual or service minder; extreme driving conditions (short trips, frequent cold starts, towing) can shorten these intervals.
Maintenance Minder and official recommendations
The Honda Maintenance Minder system uses on-board diagnostics and mileage data to estimate when spark plug replacement is due. It may display messages such as "Spark plugs" or "Replace Spark Plugs" at the appropriate interval. If you see a maintenance message or the vehicle has high mileage with symptoms, it's a good idea to inspect or replace as recommended.
When to consider replacing sooner
Before listing, consider common signs that plugs may be worn or fouled, which can indicate a need for replacement sooner than the manufacturer’s interval.
- Rough idle or engine misfires
- Difficulty starting or frequent stalling
- Reduced acceleration or performance, and lower fuel economy
- More emissions or a check engine light with misfire codes
- Visible wear or damage on the plugs during inspection
Concluding: If you notice symptoms, have the plugs checked by a trusted mechanic who can test the plug condition, gap, and ignition system, and replace if needed.
Bottom line
For most Honda Fits, modern iridium or platinum plugs are designed for about 100,000 miles between changes, while copper plugs are typically due around 30,000–60,000 miles. Always follow the Maintenance Minder and your owner’s manual for the exact interval on your vehicle, and consult a mechanic if you’re unsure.
Summary
In short, follow the factory-recommended interval based on plug type and driving conditions. If your Fit uses iridium or platinum plugs, plan for roughly 100,000 miles between replacements under typical conditions; if you have copper plugs or drive in harsh conditions, expect shorter intervals. Regular checks and the Maintenance Minder help ensure optimal performance and fuel efficiency.
What is the most common problem with Honda Fit?
Top Honda Fit Problems
- Honda Fit radio and remote key entry not working after jump start.
- Honda Fit interior dust accumulation issue.
- Honda Fit front lights are too dull for safe night driving.
- Honda Fit windshield damage with multiple chips and divets repaired using a kit.
How much does it cost to replace spark plugs in a Honda Fit?
The cost to replace the spark plugs in a Honda Fit can range from approximately $375 to over $575, depending on the shop's labor rates and whether you use a dealership versus an independent mechanic. A dealership will likely have higher labor costs, while an independent shop may be cheaper but use aftermarket parts. Some older models may have higher repair costs.
Cost breakdown
- Independent mechanic: \$374 - \$440
- Dealership: \$413 - \$577
- Parts cost: The cost of the spark plugs themselves can range from about \$5 to over \$15 per plug, depending on the brand and type.
- Labor cost: Labor is the largest portion of the cost, as it can be challenging to access some of the spark plugs on the Honda Fit engine.
Factors that affect cost
- Type of shop: Dealerships typically have higher labor rates than independent mechanics, but their work is often backed by manufacturer-specific knowledge and parts.
- Parts used: The cost of the parts can vary depending on the brand and quality. Using genuine OEM parts may be more expensive but can ensure better performance and longevity.
- Vehicle age: Older Honda Fit models might have more complex or expensive repairs, especially if they are due for other maintenance like a valve adjustment.
- Additional services: Some shops may include other services, such as replacing ignition coils, which can add to the total cost.
How to save money
- DIY: If you are handy with cars, you can save money by replacing the spark plugs yourself. You can find many tutorials online to guide you through the process.
- Shop around: Get quotes from multiple shops to compare prices before deciding on a repair service.
- Consider the valve adjustment: At around 100,000 miles, it is recommended to also have a valve adjustment, which can be performed at the same time as the spark plug replacement. This can save you labor costs in the long run.
How long should Honda spark plugs last?
every 30,000 to 90,000 miles
However, a general rule of thumb for many modern Hondas is to replace the plugs every 30,000 to 90,000 miles. That's a big range, influenced in part by whether your car uses conventional or long-life plugs. Your driving habits and the conditions in which you use your car can also have an impact on this schedule.
How often should I change the spark plugs on my 2012 Honda Fit?
To keep your Honda vehicle's ignition system working its best, experts recommend changing your spark plugs about every 30,000 miles.
