Astro Ford Service Center · D’Iberville, Mississippi

Ford Spark
Plugs

Spark plug inspection and replacement for every Ford model using genuine Motorcraft plugs. Restore power, fuel economy, and smooth idle. Factory-trained technicians with Ford-specific tools on the Mississippi Gulf Coast.

OEM
Motorcraft
Spark Plugs
30+
Ford Models
Serviced
60K
Mile
Interval
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Trim
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Motorcraft Spark Plugs
Genuine Motorcraft iridium or platinum spark plugs matched to your Ford’s exact engine specs — correct heat range, gap, and thread
Old Plug Inspection
Removed plugs inspected for wear patterns that reveal engine health — oil fouling, lean/rich running, and pre-ignition signs
Coil Inspection
Ignition coil boots inspected for cracking, carbon tracking, and arcing — worn coils are the most common cause of misfires after plug replacement
Torque-to-Spec Install
Every plug installed with a calibrated torque wrench to Ford’s exact specification — preventing stripped threads, broken plugs, and compression leaks

Ford Spark Plug Replacement Intervals

Ford recommends spark plug replacement every 60,000–100,000 miles depending on the engine and plug type. Most EcoBoost engines use iridium plugs with a 60,000-mile interval. The 5.0L Coyote V8 typically runs 100,000 miles on factory plugs. Diesel engines (PowerStroke) use glow plugs instead of spark plugs.

Gulf Coast conditions don’t directly accelerate spark plug wear like they do with other components. However, short trips and frequent stop-and-go driving (common in Biloxi and Gulfport traffic) can cause carbon buildup on plug electrodes, leading to misfires before the scheduled interval. If you tow regularly, consider the lower end of Ford’s range.

Signs Your Ford Needs New Spark Plugs

Worn spark plugs affect performance gradually — watch for these symptoms:

Engine misfires or rough idle
Check engine light (misfire codes P0300–P0312)
Sluggish acceleration or hesitation
Decreased fuel economy
Hard starting or extended cranking
Engine surging or inconsistent RPM at idle
Platinum
Some Naturally Aspirated Engines
Good electrode durability
60,000–80,000 mile lifespan
Mid-range price point
Not recommended for EcoBoost
Copper
Legacy & Budget Option
Lowest cost per plug
Only 20,000–30,000 mile lifespan
Replace 3x more often
Not recommended for modern Fords

Motorcraft iridium spark plugs are OEM on virtually every current Ford engine. Using copper or wrong-spec platinum plugs in an EcoBoost engine can cause misfires, poor fuel economy, and catalytic converter damage. We always install the exact Motorcraft plug specified for your engine — correct heat range, electrode type, gap, and thread pitch.

Astro Ford Service Center

Located at 10350 Auto Mall Pkwy in D’Iberville, MS — directly off I-10 at Exit 41. We stock Motorcraft spark plugs for every current Ford engine. Service typically takes 1–3 hours depending on the engine. Appointment recommended.

Service Hours: Monday–Friday 7:30 AM–6:00 PM, Saturday 8:00 AM–4:00 PM. Call (228) 275-2222 to schedule. Same-day service on most models.

Ford Spark Plug Challenges

Some Ford engines are notoriously difficult for spark plug replacement. The 5.4L 3-valve V8 (2004–2014 F-150) is known for spark plugs that seize and break during removal — requiring a special extraction tool. The 3.5L EcoBoost has plugs buried under the turbo intake plumbing. Even the 2.0L EcoBoost requires removing the intake manifold on some model years.

Our Ford-trained technicians have the experience, special tools, and extraction kits to handle every Ford engine. A general shop that strips a plug thread or breaks a plug tip can turn a $200 service into a $1,000+ cylinder head repair. This is one service where Ford-specific expertise matters.

Astro Ford Mobile Service
We Come to You
Mobile Oil Change

Our Ford-certified mobile technicians perform oil changes at your home or office. Same full synthetic oil, same Motorcraft filter, same quality — without the trip to the dealership.

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Astro Ford Pick-Up and Delivery
No Time to Drop Off?
Pick-Up & Delivery

We pick up your Ford from your home or office, service it at our shop, and deliver it back — same-day turnaround available. All the convenience, all the expertise.

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Astro Ford Service Financing
Unexpected Repair?
Service Financing

Don’t let cost delay critical repairs. Finance your service with the Ford Service Credit Card — special promotional financing available on qualifying purchases of $250 or more.

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Ford Certified
Factory-trained technicians with Ford-specific diagnostic tools
Genuine Parts
Motorcraft and genuine Ford OEM parts on every repair
Transparent Pricing
Upfront pricing with no hidden fees or surprise charges at checkout
Video Inspections
Photo and video reports of findings so you see exactly what we see
How much does Ford spark plug replacement cost?
Ford spark plug replacement at Astro Ford varies by engine type and cylinder count. A 4-cylinder EcoBoost is less expensive than a V6 or V8 since there are fewer plugs and easier access. The price includes Motorcraft iridium or platinum plugs, torque-to-spec installation, ignition coil inspection, and old plug analysis. Select your vehicle above for current pricing.
How often should Ford spark plugs be replaced?
Ford recommends every 60,000–100,000 miles depending on the engine. EcoBoost engines typically need plugs at 60,000 miles. The 5.0L Coyote V8 can go 100,000 miles on factory iridium plugs. Check your owner’s manual for your specific interval. If you notice misfires, rough idle, or a check engine light before the interval, have them inspected early.
What type of spark plugs does a Ford use?
Most current Ford engines use Motorcraft iridium spark plugs. The fine iridium electrode produces a stronger, more focused spark than platinum or copper, which is essential for the precise ignition timing in EcoBoost turbocharged engines. Some older naturally aspirated engines may use platinum plugs. We always match the exact Motorcraft part number for your engine.
Can bad spark plugs cause a check engine light?
Yes. Worn or fouled spark plugs cause engine misfires, which trigger diagnostic trouble codes P0300 (random misfire) through P0312 (cylinder-specific misfire). A flashing check engine light specifically indicates an active misfire that can damage the catalytic converter — pull over and have the vehicle towed rather than continuing to drive.
Should I replace ignition coils with spark plugs?
Not necessarily as a set, but we inspect every coil during plug replacement. If a coil boot shows cracking, carbon tracking, or signs of arcing, we recommend replacing that coil. Worn coils are the most common cause of misfires after a plug change. Replacing a failing coil during plug service saves the labor of disassembly twice.
Why are Ford spark plugs hard to replace on some models?
Some Ford engines have challenging plug access. The 5.4L 3-valve V8 is known for plugs that seize in the cylinder head and break during removal. The 3.5L EcoBoost has plugs buried under turbo intake plumbing. Our technicians have the Ford-specific tools and extraction kits to handle these engines safely — avoiding stripped threads or broken plug tips that cause expensive damage.
Can I use aftermarket spark plugs in my Ford?
We strongly recommend Motorcraft plugs. Ford engineers the plug heat range, electrode gap, and thread specs for each engine’s combustion characteristics. Wrong-spec plugs can cause misfires, poor fuel economy, pre-ignition (knock), and catalytic converter damage in EcoBoost engines. The cost difference between Motorcraft and aftermarket is minimal compared to the risk.
Where can I get Ford spark plugs replaced near me?
Astro Ford Service Center at 10350 Auto Mall Pkwy in D’Iberville, MS — minutes from Biloxi, Gulfport, Ocean Springs, and Pascagoula. Motorcraft plugs in stock for every current Ford engine. Same-day service on most models. Appointment recommended. Pick-Up & Delivery available.
★★★★★
"Our Change Oil Soon light came on while traveling through the Gulf area. Astro sent a Mobile Tech to our RV Resort the next day. He was very courteous, checked all the fluid levels, and completed the oil change in 30 mins. Hugely convenient and very reasonably priced."
D.R. B.
Google Review
★★★★★
"Hunter was such a big help. We were traveling and had a warning light come on — he told us what it was, gave advice, and helped by getting a fuel cleaner. 100% would go back. If I have problems in the future this is where I would go with my truck."
Simon G.
Google Review
★★★★★
"Brought my vehicle in for service a couple different times. Right up front, Alyssa went out of her way to help and kept me updated with everything. Her, the service manager, and mechanic were all exceptional."
April B.
Google Review
★★★★★
"The service department were fantastic. They got our truck in at short notice and had it back to us quicker than thought. All done with a friendly smile and knowledgeable service."
Dean H.
Google Review
★★★★★
"Alyssa in the service department was incredibly kind and helpful throughout the entire process. She helped us find ways to reduce the cost and made sure we had a loaner truck. Astro Ford — and especially Alyssa — were outstanding."
Jill C.
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★★★★★
"I did not have to go to the dealership to have my recall issue resolved. Astro Ford sent someone out the same week to my house. The problem was fixed in under 30 minutes. Very satisfying!"
Tabitha S.
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Safety Recall Check

Check if your Ford has any open safety recalls. Recall repairs are always free at Astro Ford. Enter your VIN below to check for recalls and schedule your free repair.

VIN is on your registration, insurance card, or driver’s side dashboard
Maintenance Schedule

Every Ford has a recommended maintenance schedule based on mileage and driving conditions. Stay ahead of costly repairs by following your vehicle’s factory maintenance plan — we’ll help you track what’s due.

Based on your model year, mileage, and driving habits

Ford Spark Plug Replacement Near Me — Astro Ford in D’Iberville, MS

Genuine Motorcraft spark plug replacement for every Ford engine at Astro Ford, serving Biloxi, Gulfport, Ocean Springs, and the Mississippi Gulf Coast. Iridium and platinum plugs, torque-to-spec installation.

Ford Spark Plug Cost

Varies by engine and cylinder count. Includes Motorcraft plugs, installation, coil inspection, and old plug analysis.

How Often to Replace Ford Spark Plugs

Every 60,000–100,000 miles. EcoBoost at 60K, Coyote V8 at 100K. Replace earlier if misfires, rough idle, or check engine light occur.

Spark Plug Types: Iridium vs. Platinum vs. Copper

Iridium is OEM on most current Fords. Finest electrode, longest life, required for EcoBoost. Platinum for some older engines. Copper not recommended.

Signs of Bad Spark Plugs

Engine misfires, rough idle, check engine light (P0300–P0312), sluggish acceleration, decreased MPG, and hard starting.

Ford Spark Plug Challenges

5.4L 3-valve V8 plugs can seize and break. EcoBoost plugs buried under turbo plumbing. Ford-specific tools and extraction kits required.

Motorcraft vs. Aftermarket Plugs

Wrong-spec plugs cause misfires, knock, and catalytic converter damage in EcoBoost engines. Motorcraft matches exact heat range, gap, and thread.

Important: All service pricing shown for the selected vehicle at Astro Ford, 10350 Auto Mall Pkwy, D’Iberville, MS 39540. Special offer pricing available for a limited time. Affinity discounts (Military, First Responders, Seniors, Teachers, Contractors) require valid ID. Prices do not include taxes or shop supplies. Diesel and specialty vehicles may require additional charges. See service advisor for complete details.