Most 2017 Honda Accords are recommended to have spark plugs replaced at about 105,000 miles (roughly 169,000 kilometers) under normal driving conditions.
That baseline comes from Honda’s maintenance schedule and the car’s Maintenance Minder system. Depending on engine variant (such as the 2.4L inline-four or the 3.5L V6) and how you drive, the minder may require earlier replacement. Always consult your owner's manual and follow the Maintenance Minder alerts for the exact interval for your vehicle.
Maintenance schedule and expectations
Here is what to know about the official schedule and how it applies to a 2017 Accord.
- 105,000 miles (about 169,000 kilometers) is the typical replacement interval under normal driving for most 2017 Accord engines.
- The Honda Maintenance Minder system will indicate when spark plugs are due, which can occur before or around that mileage depending on driving conditions and plug type.
- Severe-driving conditions—such as frequent short trips, heavy traffic, towing, or extreme temperatures—can shorten the interval; rely on the minder signal or a dealer/technician's assessment in these cases.
- Plug type matters: later-model Hondas often use iridium or platinum plugs designed for long life; verify the exact plug type and interval in your manual or with a Honda technician for your specific engine.
In short, 105,000 miles is the baseline, with adjustments based on how you drive and what the maintenance minder shows.
When you should consider replacing sooner
If you notice signs of wear or performance issues, you may need to replace plugs earlier than the nominal interval.
- Rough idle or engine misfires, especially under acceleration.
- Loss of power or reduced fuel economy.
- Difficulty starting the engine or extended cranking times.
- Visible wear on plugs or damaged coil boots during inspection.
Prices for spark plug replacement can vary by engine and labor rates, but expect a typical service range of roughly $150–$350 for a standard replacement performed by a shop; DIY costs are lower if you have the right tools and experience.
What to know about plug types and replacement steps
Plug types used in the 2017 Accord
Honda commonly uses iridium- or platinum-tipped plugs in the 2017 Accord, which are designed to last longer than traditional copper plugs. The exact type and replacement interval can vary by engine (for example, 2.4L vs. 3.5L) and trim, so confirm the specification for your exact car in the owner's manual or by checking the service data label under the hood.
When replacing, it is important to use the recommended plug type and to follow proper torque specs to avoid cross-threading or damage to the cylinder head. If you are unsure, have a qualified technician perform the service.
Summary
For a 2017 Honda Accord, plan spark plug replacement around 105,000 miles under normal driving, with the Maintenance Minder guiding any earlier or later needs. Severe driving conditions or engine-specific factors can adjust this interval, and symptoms like rough idling or poor acceleration warrant prompt inspection. Always verify the exact plug type and interval in your owner's manual and consider professional service if you’re not comfortable performing the replacement yourself.