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Technician performing engine tune-up and filter service at Sager & Sons Auto in Boise, ID
Filters & Tune Ups in Boise, ID
Keep It Running
At Its Best.
Regular tune-ups and filter replacements are the lowest-cost maintenance you can do, and the most overlooked. Clean air, clean fuel, and a properly tuned ignition system mean better fuel economy, fewer repairs, and a vehicle that performs the way it should.
OEM-Quality Filters
Spark Plug Service
3-Year / 36,000-Mile Warranty
Schedule Your Drop-Off

Filters & Tune Ups in Boise, ID

Preventive maintenance that pays for itself every time

A clogged air filter, fouled spark plugs, or a dirty fuel filter won't usually leave you stranded, but they'll cost you in fuel economy, engine performance, and eventually bigger repairs. Tune-up services are the highest-return maintenance items on your vehicle.

At Sager & Sons, we use NAPA quality parts matched to your vehicle's specifications, not whatever happens to be on the shelf.

We match parts to your vehicle's actual spec.

Spark plug gap, heat range, and type matter. Air filter dimensions and filtration ratings matter. We don't just grab the cheapest compatible part, we use what your vehicle needs.

What Our Tune-Up & Filter Services Include

From ignition to intake, we cover the full system

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Spark Plug Replacement

We inspect and replace spark plugs to spec, correct heat range, gap, and type for your engine. Worn plugs cause misfires, rough idle, and poor fuel economy.

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Engine Air Filter

A clogged air filter restricts airflow, reduces power, and increases fuel consumption. We inspect and replace to your vehicle's size and filtration spec.

Dirty cabin air filter replacement at Sager & Sons Auto Boise

Cabin Air Filter

Cabin filters trap dust, pollen, and debris before it reaches your HVAC system. A clogged cabin filter reduces airflow and can cause musty smells inside the vehicle.

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Fuel Filter

A restricted fuel filter can cause hard starts, hesitation, and reduced power. We service fuel filters where applicable and accessible on your vehicle.

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Ignition System Inspection

We inspect ignition wires, coils, and related components for wear, cracking, and proper function, not just the plugs themselves.

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Digital Inspection Report

Every tune-up includes a complimentary digital inspection with photos, so you see what we found and understand what was serviced.

Signs Your Vehicle May Need a Tune-Up

These symptoms are easy to overlook, but easy to fix when caught early

Rough idle or engine vibration at a stop
Noticeable drop in fuel economy
Hesitation or stumble on acceleration
Hard starting, especially cold mornings
Check engine light with misfire codes
Dusty or dirty air coming from vents
Engine feels sluggish or underpowered
Spark plugs at or past service interval

Tune-Up & Filter FAQs

Straight answers about ignition service and filter replacement

How often do spark plugs need to be replaced?
Copper plugs typically last 30,000 miles. Iridium and platinum plugs can last 60,000–100,000 miles. We check your vehicle's spec and the actual condition of the plugs, not just the mileage.
Will a tune-up fix my check engine light?
If your check engine light is on for a misfire code, a tune-up may resolve it, but we'll diagnose first to confirm the cause before recommending parts. Plugs and wires aren't always the culprit.
How often should I change my air filter?
Every 15,000–30,000 miles is a general guideline, but driving conditions matter. If you drive on dusty roads or gravel, you may need it sooner. We check it visually every visit.
Does a dirty cabin air filter affect performance?
Not engine performance, but it does reduce heater and AC airflow, can cause musty odors, and in severe cases puts strain on the blower motor. Easy fix, often overlooked.

Why Boise Drivers Choose Sager & Sons

NAPA Quality Parts
We match spark plug type, heat range, and gap, and filter size and spec, to your vehicle's actual requirements. Not just whatever fits.
Complimentary Digital Inspections
Photos and notes sent to your phone so you see exactly what was inspected, what was replaced, and what we found along the way.
ASE-Certified Technicians
Every service performed by trained, certified technicians. Dan has been ASE Master Technician certified since 2004.
3-Year / 36,000-Mile Warranty
Every qualifying repair backed by our NAPA AutoCare nationwide warranty, honored at 14,000+ locations across the U.S.
Family-Owned & Operated
Serving the Boise Bench since 2012. We treat every vehicle like it belongs to a neighbor, because on the Bench, it usually does.

Time for a Tune-Up?

Quick service, big returns. Drop off your vehicle and we'll take care of the rest.

📍 6126 W. Franklin St., Boise, ID  ·  📞 (208) 761-9406  ·  Mon–Fri 8am–5pm
Schedule Your Drop-Off

Oil Change Service

Your engine’s first line of defense. We use premium oil and filters suited to your make, model, and driving habits.

Transmission Fluid Exchange

Keep shifting smooth and prevent transmission failure by replacing worn fluid before it breaks down.

Coolant / Antifreeze Service

Over time, coolant loses its ability to protect your engine from heat and corrosion. We’ll flush and refill it to restore balance.

Brake Fluid Flush

Moisture contaminated brake fluid can cause corrosion and reduced stopping power. We replace it for safe, responsive braking.

Power Steering Fluid Service

Fresh steering fluid keeps your steering smooth and quiet, preventing premature pump or rack wear.

Differential & Transfer Case Service

Critical for trucks and AWD vehicles clean gear oil protects bearings and gears under heavy loads.

Sager & Sons Auto in Boise, Idaho

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