Six spark plugs — one for each cylinder on the 3.5-liter V6 that powered the 2007 Pilot.
Engine and spark-plug configuration
The 2007 Honda Pilot is equipped with a 3.5-liter V6 engine. This engine features a traditional spark-plug layout with one plug per cylinder, and an ignition system that uses six individual coils mounted on each cylinder head (coil-on-plug). In total, the engine houses six spark plugs and six ignition coils.
Key facts about the spark-plug arrangement in the 2007 Pilot:
- Six spark plugs in total, one per cylinder.
- Ignition system uses coil-on-plug coils (six individual coils).
- Located in each cylinder head, typically accessed from the front of the engine for servicing.
Understanding this layout helps with planning maintenance and replacements for the vehicle.
Maintenance considerations
Replacement intervals depend on the plug type installed and driving conditions. Always check the owner’s manual or with a Honda dealer for the exact recommendation for your 2007 Pilot, and use the correct plug type specified for your model.
Key maintenance guidelines include:
- Plug type matters: Iridium or platinum plugs generally last longer than copper plugs.
- Follow the manufacturer’s recommended replacement interval for your plug type and engine variant.
- Use OEM or equivalent specification plugs to ensure proper fit, performance, and ignition timing.
- Consider professional service if you’re unsure about torque specifications and replacement procedures.
Adhering to these guidelines helps maintain ignition performance and fuel economy for the V6 engine.
Summary
The 2007 Honda Pilot’s 3.5-liter V6 uses six spark plugs in a coil-on-plug arrangement—one plug and one coil per cylinder. Replacement intervals depend on the spark plug type and driving conditions, so consult the owner’s manual or a Honda service advisor for the precise recommendation and plug specification for your vehicle.