What Is an Ignition Tune-Up and Why Does Your Vehicle Need One?
What Is an Ignition Tune-Up and Why Does Your Vehicle Need One?
Modern vehicles are incredibly reliable, but their ignition systems still require maintenance over time. Spark plugs, ignition coils, and related components wear out gradually, reducing engine performance and fuel economy.
An ignition tune-up restores your engine’s ability to produce efficient combustion.
What Does an Ignition Tune-Up Include?
Depending on the vehicle, a tune-up may include:
- Replacing spark plugs
- Inspecting or replacing ignition coils
- Checking spark plug wires (where applicable)
- Inspecting ignition timing (older vehicles)
- Inspecting air filters
- Scanning for engine fault codes
Signs You Need a Tune-Up
Watch for these symptoms:
- Rough idle
- Poor fuel economy
- Engine hesitation
- Misfires
- Hard starting
- Reduced acceleration
- Check Engine Light
Many drivers don’t notice performance slowly decreasing until new spark plugs are installed.
Why Spark Plugs Wear Out
Each spark plug fires thousands of times every minute while the engine is running.
Eventually the electrode wears away, increasing the gap the spark must jump. This requires more voltage from the ignition system and can eventually lead to misfires.
Benefits of Replacing Spark Plugs
Installing fresh spark plugs can provide:
- Easier starting
- Better fuel economy
- Improved throttle response
- Smoother idle
- More complete combustion
- Reduced emissions
Don’t Wait for a Misfire
Replacing spark plugs at the recommended interval is much cheaper than replacing damaged ignition coils or catalytic converters caused by prolonged misfires.
Routine ignition maintenance keeps your engine running like new.