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A faulty ignition coil can leave a Ford Explorer 4.6L V8 struggling to start, stumbling at idle, or running with intermittent misfires. Choosing the right ignition coil makes a big difference in drivability, throttle response, and long-term engine health on this V8. This guide covers seven shortlisted ignition coils chosen for correct fitment, consistent electrical output, and durability specific to the 4.6L V8 configuration.Below you will find practical guidance on the features and specs that matter, troubleshooting tips for common symptoms, and how we evaluated candidates to arrive at our top picks.
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Top Picks at a Glance
| Best Overall The best all-around choice for most situations | MAS Ignition Coil Pack (set of 8) with Spark Plugs for 4.6L/5.4L V8 |  |
| Best Quality Built to a higher standard if you want something more solid | Motorcraft DG508 Ignition Coil set of 8 |  |
| Best Value The sweet spot between price and what you get | ENA Set of 8 Straight Boot Ignition Coil Packs (DG511) |  |
| Best Budget The cheapest option that still gets the job done reliably | big-autoparts 8-Pack DG508 Replacement Ignition Coil Pack for Ford 4.6L/5.4L V8 |  |
| Highest Rated A top-rated pick with lots of positive feedback | ENA 8-Pack Ignition Coils with 8 Platinum Spark Plugs for 4.6L V8 |  |
| Most Popular A crowd favorite that many people choose with confidence | ENA Curved Boot Ignition Coil Pack set of 8 for 4.6L/5.4L V8 |  |
| Best Seller A high-volume bestseller chosen again and again | BELKEBIR Ignition Coil Pack and Iridium Spark Plugs Kit (Set of 8) |  |
1. MAS Ignition Coil Pack (set of 8) with Spark Plugs for 4.6L/5.4L V8
| Vehicle Service Type | Truck, Van |
|---|---|
| Connector Gender | male |
| Installation Type | Coil Pack |
| Automotive Fit Type | Vehicle Specific Fit |
| Model | Ignition Coils Pack & Spark Plugs |
This MAS kit bundles eight ignition coils with eight iridium spark plugs to provide a full ignition refresh for Ford 4.6L and 5.4L V8 engines, including Explorer applications. It is supplied as vehicle-specific coil packs designed to plug directly into the factory harness, so installation is the same basic process as replacing the factory coil packs and plugs. The practical benefit is a one-stop service kit when multiple cylinders show misfire, rough idle, or reduced throttle response, avoiding repeated trips for individual parts. The included coils list many dealer replacement numbers, which helps confirm compatibility, and the polished exterior gives a clean appearance under the hood. Limitations to note are that this is a full aftermarket kit rather than a factory-branded part and buyers should verify fitment carefully against their engine year and part numbers to avoid mis-matches between similar Ford coils and plugs.
Best for: Buyers seeking a balanced, complete ignition service for a 4.6L V8 Explorer who want a single kit to replace all coils and plugs at once and value straightforward installation and parts matching.
Less Ideal for: If you only need a single coil or plug replaced, or prefer factory-branded components with dealer-backed sourcing, this full eight-pack aftermarket kit is not the best fit.
- Complete kit includes eight coils and eight iridium spark plugs for a full-bank replacement
- Vehicle-specific fitment list and multiple dealer part numbers included to aid compatibility checks
- Direct-replacement coil pack design connects to the factory harness for straightforward installation
- Polished exterior provides a tidy under-hood appearance after installation
- Aftermarket kit rather than factory-branded parts which may differ in long-term durability
- Requires careful verification of fitment to year and part numbers to avoid ordering the wrong variant
Verdict: A convenient all-in-one aftermarket kit to replace all eight coils and plugs on a 4.6L V8 Explorer when you want a single, vehicle-specific service solution.
2. Motorcraft DG508 Ignition Coil set of 8
| Brand Name | Motorcraft |
|---|---|
| Manufacturer Part Number | DG508 |
| Unit Count | 8.0 Count |
| Installation Type | Bolt-On |
| Connector Gender | Male |
These Motorcraft DG508 coils come as a complete set of eight intended to replace the factory coils on compatible Ford V8 engines. They are bolt-on, vehicle-specific replacements with factory-equivalent part numbers and male connectors for direct connection to the harness. Motorcraft states the coils are tested under harsh conditions and include radio-frequency suppression to reduce electronic noise, which helps maintain stable spark performance and minimizes interference with vehicle electronics. In practice this means straightforward installation for techs or experienced DIYers and predictable combustion performance across all cylinders when swapped in as a full set. The product is explicitly packaged as eight coils, so it suits full-bank replacements rather than single-coil repair. Buyers should note this is a stock-style replacement rather than an aftermarket high-performance coil designed to increase ignition power beyond factory levels. Fitment is vehicle-specific, so confirming engine and year compatibility before purchasing is important.
Best for: Buyers who want a reliable, OEM-quality full-bank replacement for ignition coils on Ford 4.6L V8 engines and prefer direct-fit parts that restore factory performance.
Less Ideal for: Drivers seeking aftermarket ignition coils tuned specifically to increase spark energy or support high-boost or heavily modified engines should consider performance-oriented alternatives.
- Full set of eight coils for replacing all cylinders at once
- Factory-equivalent part number and vehicle-specific fit for direct bolt-on installation
- Radio-frequency suppression to reduce electrical interference
- Tested under extreme vehicle and environmental conditions for reliability
- Not marketed as a performance-upgrading coil so it will not increase ignition output beyond factory levels
Verdict: Choose these Motorcraft DG508 coils when you need a full-bank, factory-equivalent replacement to restore reliable, stock-level ignition on Ford 4.6L V8 engines.
3. ENA Set of 8 Straight Boot Ignition Coil Packs (DG511)
| Unit Count | 8.0 Count |
|---|---|
| Connector Gender | Female |
| Mount Type | Bolt On |
| Voltage | 12V |
| Automotive Fit Type | Vehicle Specific Fit |
These ENA coil packs replace the factory-style straight-boot DG511 coil packs on many Ford 4.6L and 5.4L V8 engines. Sold as a set of eight, they mount on the valve cover with a bolt-on design and use the factory electrical connector for a plug-and-play swap. In typical use you would replace all coils at once to restore consistent spark and smooth idle after misfires or aging coils. The kit lists multiple equivalent part numbers so it matches common replacement references, and the female connector and 12V design mirror factory wiring for straightforward installation. Practical benefits include having a full eight-pack for V8 engines, simpler diagnosis when swapping bad coils, and avoiding piecemeal purchases. Limitations are the fitment requirement — these are the black-boot DG511 style, so vehicles that used the brown-boot variant will not work without verifying build date, and buyers should confirm compatibility with their specific production date before ordering.
Best for: Buyers who want a practical, no-fuss replacement to restore reliable ignition on Ford 4.6L V8 engines and prefer replacing the entire coil set at once to avoid repeated garage visits.
Less Ideal for: People who are uncertain which boot style their vehicle uses or who prefer buying single coil replacements for staged maintenance.
- Complete set of eight coils intended for V8 engines, so one purchase handles all cylinders
- Bolt-on installation and factory-style female connector for straightforward swap-in replacement
- Lists multiple OEM-equivalent part numbers to simplify matching to factory references
- Designed for consistent spark output to address misfires and rough idle
- Only compatible with the straight black-boot DG511 style so buyers must verify mid-year changes in their vehicle
Verdict: Buy this full set when you need a straightforward, all-at-once replacement for black-boot DG511 ignition coils on Ford 4.6L V8 engines.
4. big-autoparts 8-Pack DG508 Replacement Ignition Coil Pack for Ford 4.6L/5.4L V8
| Compatible engines | Ford 4.6L and 5.4L V8 |
|---|---|
| Quantity | 8 coils |
| Boot type | Curved boot (DG508) |
These eight DG508 replacement ignition coils provide a complete coil pack swap for Ford 4.6L and 5.4L V8 engines and are aimed at owners who need to replace all coils at once. Installation follows typical coil-replacement steps: unplug connectors, remove bolts, lift the fuel rail as needed, swap coils, and torque bolts to spec. The coils use upgraded internal components such as copper windings, ferrite cores, silicone boots rated for high voltage, and vibration-resistant housings to improve durability over older units. Shipping an entire set of eight simplifies maintenance for V8 engines and reduces the chance of mis-matched performance between new and old coils. On the downside these are aftermarket units so fitment depends on correct boot curvature and part cross-reference, and some buyers may prefer factory-brand coils for long-term pedigree. For someone keeping an older Explorer running on a budget this set is a practical way to restore smooth idle and misfire-free operation without replacing individual coils multiple times.
Best for: Buyers looking to repair or refresh the entire ignition system on a budget who prioritize replacing all coils at once to restore smooth running and prevent repeated failures.
Less Ideal for: Owners seeking factory-brand parts for long-term resale value or those who only need a single coil replacement should consider other options.
- Complete eight-coil set replaces every coil on V8 engines in one service, avoiding mismatched new and old parts
- Upgraded internal components including optimized windings and silicone boots for improved durability
- Vibration and shock resistant housing designed for heavy-duty engine environments
- Includes a user manual and covers common compatible part numbers for easier cross-referencing
- Aftermarket fit can vary by production date so buyers must confirm curved versus straight boot before purchase
- Not a factory-brand coil which may concern buyers seeking OEM pedigree
Verdict: A cost-effective full eight-coil replacement that restores ignition performance on Ford 4.6L V8 engines without the expense of factory-brand coils.
5. ENA 8-Pack Ignition Coils with 8 Platinum Spark Plugs for 4.6L V8
| Vehicle Service Type | Car, Van |
|---|---|
| Installation Type | Screw-In or Bolt-On |
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer | ENA |
| OEM Part Number | FD503, FD503T, DG491, C1417, COP9, FD508, DCE261, DCE263, DG467 |
This ENA kit bundles eight ignition coils with eight platinum spark plugs intended as a direct replacement for Ford 4.6L V8 applications. It is used as a full ignition service kit when multiple misfires, rough idle, or diminished fuel economy suggest worn coils or plugs; swapping the entire bank reduces diagnosis time and ensures matched components. Notable features include vehicle-specific fitment for a range of Ford, Lincoln, and Mercury 4.6L engines and screw-in or bolt-on installation that matches factory mounting. In practice the coils provide consistent spark delivery across cylinders and the platinum plugs offer longer service life than standard copper types. The package also includes a 24-month warranty for added peace of mind. Limitations are that fitment is limited to the specified Ford-family 4.6L and some related engines, so it is not a universal kit, and buyers should still verify connector and mounting compatibility for certain model years before installing.
Best for: Buyers who prioritize dependable, long-term ignition performance for a Ford 4.6L V8 and want the convenience of replacing the entire ignition bank in one service.
Less Ideal for: People looking for a single-coil replacement, a universal ignition solution, or parts for engines outside the specified 4.6L family should choose a different option.
- Complete kit replaces all eight coils and eight spark plugs to ensure matched performance across the engine
- Vehicle-specific design for Ford, Lincoln, and Mercury 4.6L V8s simplifies fitment check and installation
- Platinum spark plugs increase service interval compared with basic copper plugs
- Screw-in or bolt-on installation mirrors factory mounting for straightforward installation
- Compatibility limited to listed 4.6L and specified related engines so will not fit other displacements
Verdict: A convenient, vehicle-specific full-bank ignition kit that restores reliable spark and simplifies servicing for Ford 4.6L V8 engines.
6. ENA Curved Boot Ignition Coil Pack set of 8 for 4.6L/5.4L V8
| Vehicle Service Type | Car |
|---|---|
| Connector Gender | Male-to-Female |
| Installation Type | Bolt-On |
| Automotive Fit Type | Vehicle Specific Fit |
| Model | Ignition coil DG508 C1454 C1417 |
These ENA ignition coils replace the factory coil packs on compatible 4.6L and 5.4L V8 engines and are sold as a complete set of eight so you can refresh the entire bank at once. They use a curved boot design and male-to-female connector configuration for a direct bolt-on install that mirrors factory fitment, which makes them convenient for DIY replacement or for a quick shop swap. The manufacturer says components match or improve on factory design and the coils are built to handle full operating speed ranges for steady spark delivery and smoother idle. Practical benefits include replacing worn coils that cause misfires, rough idle, or reduced fuel economy, and the set format avoids mixing old and new coils. Limitations are that fitment is vehicle-specific so you must confirm the exact part cross-references before buying, and performance gains are limited to restoring proper ignition rather than increasing power. The pack comes with lifetime warranty support, which helps reduce purchase risk for buyers comparing high-volume reviews and real-world reliability.
Best for: A buyer who values broad real-world validation and wants a reliable, full-bank replacement to stop misfires and restore driveability on a 4.6L V8 engine.
Less Ideal for: Anyone looking for performance ignition upgrades beyond restoring factory ignition timing and spark strength or those who need a one-off coil rather than a full set.
- Sold as a full set of eight to replace an entire bank for consistent performance
- Curved boot and male-to-female connector for direct bolt-on installation
- Designed to meet or exceed factory specifications for form, fit, and function
- Built to operate across the full engine speed range for steady spark delivery
- Lifetime warranty reduces long-term ownership risk
- Compatibility depends on exact OEM cross-reference numbers and must be verified for each vehicle
Verdict: Buy this full set if you want a factory-fit, low-risk way to replace all eight coils and eliminate misfires on a Ford 4.6L V8.
7. BELKEBIR Ignition Coil Pack and Iridium Spark Plugs Kit (Set of 8)
| Included Components | 8 Ignition Coils, 8 Spark Plugs |
|---|---|
| Compatible with Vehicle Type | SUV, Truck, Van |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Equivalent Part Number | DG508, DG540, FD503, 88921369, SP479 |
This kit pairs eight ignition coils with eight iridium spark plugs intended as a direct, vehicle-specific replacement for V8 4.6L and 5.4L Ford-family engines. It is typically used when engines show misfires, rough idle, poor acceleration, or after failing coil diagnostics; the plug-and-play coils and plugs let a competent DIYer or independent shop swap the entire bank at once. Notable features include listed part-number interchangeability with common factory part numbers and iridium electrodes that promise longer life and consistent spark. In real use the combined replacement restores smooth running, can reduce misfires, and may improve throttle response and fuel economy compared with worn components. Limitations are that compatibility is limited to the specified Ford, Lincoln, and Mercury 4.6L/5.4L V8 applications and buyers should confirm exact engine year and variant before ordering; professional installation may be preferable if access or ignition diagnostics are required.
Best for: Buyers who prioritize a low-risk, OEM-style repair for a V8 Ford family engine and want a full-bank replacement in one purchase to eliminate recurring engine misfire issues.
Less Ideal for: Someone seeking a single coil or plug for spot repairs or owners of vehicles outside the specified 4.6L/5.4L Ford-family engine list should look elsewhere.
- Complete kit includes eight coils and eight iridium spark plugs for a full-bank replacement
- Lists multiple factory-equivalent part numbers for straightforward fit confirmation
- Iridium plugs provide better wear resistance and more consistent cold starts than standard plugs
- Plug-and-play design aimed at direct vehicle-specific installation
- Fitment is restricted to the listed 4.6L and 5.4L Ford-family engine applications so cross-vehicle use is not supported
Verdict: Choose this full-bank coil and iridium plug kit when you want a straightforward, factory-equivalent replacement to stop misfires and restore smooth V8 performance.
Choosing the Right Ford Explorer 4.6L V8 Ignition Coil: Key Factors to Consider
Fitment and Connector Compatibility
Correct physical fit is essential for the 4.6L V8 because mounting points, coil tower spacing, and electrical connectors must align with the engine harness. A coil that matches OE mounting reduces the chance of stress on terminals or interference with adjacent components. Confirming connector type and boot length prevents installation issues and ensures a solid electrical connection.
Misfit coils can lead to loose connections, arcing, or premature boot wear. For owners, this means verifying part numbers or fitment calendars against the Explorer 4.6L V8 to avoid returns and additional labor. Proper fitment also helps maintain proper firing angles and prevents strain on coil fasteners during torque cycles.
Electrical Characteristics
Matching primary and secondary resistance values to the original specification matters because the coil must produce the correct secondary voltage under load. If resistance values are too high or too low compared with the factory coil, you can see poor spark energy, weaker combustion, or increased stress on the ignition module and ECU circuits.
Look for coils with clearly stated resistance ranges and voltage handling. Consistent electrical performance across operating temperatures reduces misfires and improves throttle response on this eight-cylinder engine, where one weak coil can noticeably affect smoothness.
Thermal and Vibration Durability
The engine bay of the Explorer 4.6L V8 exposes ignition coils to high heat cycles and vibration. Coils built with high-temperature potting compounds, reinforced housings, and vibration-resistant internal mounting are less likely to crack, delaminate, or develop internal shorts over time. Thermal stability preserves insulation and prevents breakdowns that lead to sudden misfires.
Durability also affects service intervals. A coil that withstands under-bonnet heat and repeated thermal cycling reduces the likelihood of intermittent faults that are difficult to diagnose and can save hours of troubleshooting.
Boot and Spark Plug Interface
The coil boot must seat firmly on the spark plug and maintain a dielectric seal to keep moisture and contaminants out. For the 4.6L V8, correct boot length and inner spring or conductor design matter because a poor interface increases resistance and can cause arcing or partial discharges under high cylinder pressures.
Consider silicone or fluorosilicone boots for heat and oil resistance. Boots that provide a secure grip and proper retention clips help prevent detachment during engine vibrations and ensure consistent spark delivery to each cylinder.
Serviceability and Installation Ease
Ease of installation reduces shop time and the risk of connector damage during replacement. Coils designed with accessible mounting bolts, clear connector latches, and straightforward orientation are easier for DIY installers and technicians working on the Explorer 4.6L V8. Some coils include replacement mounting hardware or anti-rotation features that simplify the job.
Also factor in whether the coil allows re-use of the original boot or requires a full assembly. Simpler installs lower the chance of connector cross-threading or stretched wiring, which can create electrical faults after installation.
Warranty and Quality Assurance
Warranty terms and manufacturer quality controls provide indirect insight into expected longevity and defect rates. A clear warranty period and evidence of quality testing can indicate a supplier's confidence in their coil's durability. For a vehicle like the Explorer 4.6L V8, where replacement labor can be time consuming, a longer warranty reduces long-term ownership risk.
Also consider whether the supplier documents testing procedures, such as high-voltage endurance and moisture ingress testing. These assurances are useful when choosing between otherwise similar coils.
Common Symptoms and Troubleshooting Steps
Recognizing symptoms early helps avoid cascading issues on the 4.6L V8. Typical signs of a failing ignition coil include rough idle, hesitation under acceleration, reduced fuel economy, and an illuminated engine warning light that often points to misfire codes on one or more cylinders.
Start troubleshooting with a visual inspection for cracked boots, oil contamination, or corroded terminals. Use a systematic approach: swap the suspect coil with another cylinder and see if the misfire code moves with the coil. That simple swap can confirm whether the coil is the cause without specialized tools.
If the misfire follows the coil, check resistance values with a multimeter and consult service specifications for the 4.6L V8. Also inspect spark plugs and plug wires or boots for wear, since those components affect spark quality and can mask coil faults.
- Rough idle or uneven running
- Engine hesitation or stumble during acceleration
- Cylinder-specific misfire codes
- Visible damage to coil housing or boot
How to Test an Ignition Coil Safely
Testing coils on the 4.6L V8 can be done with basic tools and proper safety precautions. Begin by disconnecting the battery and ensuring the ignition is off. Measure primary resistance across the coil terminals with a multimeter and compare to the factory spec. Then measure secondary resistance between the terminal and the high-voltage tower if the design allows.
For more conclusive verification, a spark tester under load can show if the coil produces a strong, consistent spark at cranking or idle. Avoid bench-testing coils with improvised high-voltage sources as that can damage the coil or be unsafe. If in doubt, have a trained technician perform high-voltage bench tests.
- Use a digital multimeter to check primary and secondary resistance
- Perform a cylinder swap to confirm if the misfire follows the coil
- Use an inline spark tester to observe spark quality under load
Installation Tips for Explorer 4.6L V8 Owners
Prepare the work area by cleaning around the coil towers to prevent debris from entering the spark plug wells. Label connectors if needed to avoid cross-connecting during reassembly. Use proper torque values for mounting bolts and check connector latch engagement to prevent electrical issues after installation.
When replacing a single coil, inspect adjoining ignition components such as spark plugs and boots. If boots show wear or the plugs are overdue, replace them while the job is open. Reconnecting the battery and performing a quick scan for codes after installation ensures the replacement resolved the issue.
- Clean mounting area before removal
- Replace associated boots or plugs if worn
- Tighten coil bolts to specified torque and secure connectors
When To Replace Individual Coils Versus Full Sets
Replacing only the failed coil is a common, cost-conscious approach. If a single coil shows clear failure by follow-the-coil testing and the rest display normal resistance and operation, swapping the one unit can restore function quickly. This is reasonable when the remaining coils are relatively new and the vehicle shows no other ignition symptoms.
However, replacing coils in sets can make sense if multiple coils are near the same service age or if you are already replacing spark plugs and boots. Doing a full set reduces the chance of repeated shop visits and ensures uniform electrical characteristics across all cylinders on the 4.6L V8.
- Replace individual coils when failure is isolated and others test normal
- Consider full set replacement when multiple components are aged or when doing major tune-up work
ElectRical Connections and Corrosion Prevention
Protecting the electrical connections helps extend coil life on a Ford Explorer 4.6L V8. Apply dielectric grease sparingly to the inside of boots to repel moisture and prevent corrosion at the plug interface. Avoid getting grease on the spark plug electrode itself.
Inspect harness clips and routing to prevent chafing and water ingress. Tight seals at the connector and good routing reduce the chance of intermittent faults caused by corrosion or vibration-induced looseness.
- Use dielectric grease inside boots, not on plug electrodes
- Ensure harness clips secure wiring away from hot or moving parts
- Inspect connectors for corrosion during routine maintenance
Still looking for the perfect fit?
Select your Ford Explorer configuration to see the most relevant Ignition Coils recommendations
How We Chose the Best Ford Explorer 4.6L V8 Ignition Coil
We prioritized items that meet the specific fitment and performance demands of the Ford Explorer 4.6L V8. Selection began with units explicitly listed for the 4.6L V8 configuration and those matching OE electrical characteristics for coil resistance and secondary output. We favored coils with robust insulation, corrosion-resistant terminals, and proven connector compatibility to reduce installation issues and long-term failures.Evaluation criteria included electrical performance (primary and secondary resistance ranges and voltage handling), thermal durability under engine bay temperatures, mechanical fit and mounting points, connector and boot compatibility, and serviceability for routine replacement. We also considered manufacturing quality indicators such as materials used for bobbins and potting compounds to assess moisture resistance and vibration tolerance.Excluded from the list were universal or modified coils that require aftermarket mounting adapters or major wiring changes, and any items lacking clear fitment data for the 4.6L V8. We did not include coils that substitute ignition system topology, such as those needing external ignition modules. The final selections balance correct fit, reliable electrical behavior, and installation simplicity for Explorer owners.
Our full evaluation process is outlined in our review methodology.
FAQ
What are common symptoms of a failing ignition coil on the 4.6L V8?
Common symptoms include rough idle, hesitation under acceleration, decreased fuel economy, and cylinder-specific misfire codes. You may also notice intermittent starting problems or an illuminated engine warning light.
Can I replace a single coil or should I replace all coils at once?
You can replace a single failed coil if testing shows only one unit is bad. Replacing a full set may be wise when coils share similar age or when performing a comprehensive tune-up to ensure uniform performance.
How do I test an ignition coil on the Explorer 4.6L V8?
Start with a visual inspection, then check primary and secondary resistance with a multimeter against specifications. A cylinder swap or inline spark tester under load can confirm if a coil is producing adequate spark energy.
Are ignition coil failures likely to damage other engine components?
A failed coil itself does not usually damage other components immediately, but prolonged misfires can cause unburned fuel to enter the exhaust, increasing catalytic converter stress and potentially causing further issues if left unaddressed.
What should I do before installing a replacement coil?
Clean the area around the coil towers, inspect and replace worn spark plugs or boots, and ensure connectors and mounting points are free of corrosion. Follow proper torque specs and verify connector engagement after installation.
Final Verdict
For the Ford Explorer 4.6L V8, prioritize coils that match OE fitment and electrical specifications, and choose durable materials that withstand heat and vibration. Address visible symptoms promptly and use straightforward testing steps to confirm failures before replacing parts.Balance short-term cost with long-term reliability: replace only verified failed coils when appropriate, but consider set replacement during comprehensive tune-ups to maintain consistent engine performance and reduce repeat labor. Focus on fitment, electrical performance, and installation quality to restore reliable starting and smooth idle.
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