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If your Ford Explorer Sport Trac is showing rough idle, reduced fuel economy, or uneven throttle response, the fuel injector may be the cause. Choosing the right fuel injector for the Sport Trac matters because fitment, spray pattern, and flow rate directly affect drivability and engine health for this configuration.This guide covers our seven shortlisted options and explains how we evaluated each choice for fitment reliability, flow consistency, and serviceability. Read on to find the injectors that are most likely to restore smooth operation and dependable performance for your Sport Trac.
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Top Picks at a Glance
| Best Overall The best all-around choice for most situations | YLB.&co Fuel Injectors 0280158055 / FJ818 Replacement (6-pack) | ![]() |
| Best Quality Built to a higher standard if you want something more solid | Bosch 62369 Port Fuel Injector (single) | ![]() |
| Best Value The sweet spot between price and what you get | EVERESTWAY Fuel Injector Set of 6 for 4.0L V6 (replaces 0280158055) | ![]() |
| Best Budget The cheapest option that still gets the job done reliably | Autotiming Fuel Injectors Set of 6 Compatible with 2000–2003 Ford 4.0L and Ranger 2.3/3.0/4.0L | ![]() |
| Highest Rated A top-rated pick with lots of positive feedback | TRQ 8-Piece Fuel Injector Set for 4.6L V8 (direct-fit) | ![]() |
| Most Popular A crowd favorite that many people choose with confidence | YZHIDIANF Upgraded Fuel Injectors 0280156029 (6-Pack) | ![]() |
| Best Seller A high-volume bestseller chosen again and again | TRQ 6-Piece Fuel Injector Set (direct-fit) | ![]() |
1. YLB.&co Fuel Injectors 0280158055 / FJ818 Replacement (6-pack)
| Replaces part numbers | 0280158055, FJ818, 5L2Z9F593CA/CB, 822-11193 |
|---|---|
| Fitment (listed) | Ford 4.0L V6 models including Explorer, Sport Trac, Mustang, Ranger, Mountaineer (specified years) |
| Number of pieces | 6 |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
These YLB.&co fuel injectors are a six-piece aftermarket replacement meant to match the factory interface for Ford 4.0L V6 engines. They use laser-drilled, multi-porous tips to produce a fine, consistent spray for better atomization, which in real-world use can smooth idle, sharpen throttle response, and help combustion efficiency. The injectors include fluororubber sealing rings to resist heat and fuel exposure and claim a plug-and-play fit for the listed Explorer, Sport Trac, Mustang, Ranger, and Mountaineer model years when the part numbers match. Installation is straightforward for a competent DIYer or a technician because the electrical and mounting interfaces follow factory specifications. Important limitations are that this is an aftermarket unit so long-term durability and flow matching across all six injectors may vary compared with a matched OEM set, and buyers should confirm original part numbers before ordering to ensure compatibility.
Best for: Buyers who want a complete, ready-to-install replacement set to restore performance and drivability on a Ford 4.0L V6 without sourcing individual injectors.
Less Ideal for: Those seeking OEM-level longevity or precision flow-matched performance for high-performance builds should consider higher-end or factory replacement options.
- Laser-drilled multi-porous tip for improved fuel atomization and smoother idle
- Fluororubber seals designed for fuel and heat resistance to reduce leakage risk
- Plug-and-play design matching factory electrical and mounting interfaces for easier installation
- Sold as a full set of six to replace all injectors at once for balanced performance
- Aftermarket construction may not match long-term flow consistency and durability of factory-quality injectors
Verdict: A convenient six-piece, plug-and-play replacement that restores spray pattern and drivability for Ford 4.0L V6 engines when matching the original part number.
2. Bosch 62369 Port Fuel Injector (single)
| Manufacturer | Bosch |
|---|---|
| Model | Fuel Injector |
| Manufacturer Part Number | 62369 |
| Compatible Vehicles | Select 2005 Ford Explorer, Explorer Sport Trac; 2005 Mercury Mountaineer |
| Includes | Seals and O-rings |
This Bosch 62369 is a direct-fit port fuel injector intended as a factory-quality replacement for select 2005 Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer engines. It restores the injector spray pattern and flow control that determine mixture quality and throttle response, so it is typically used when a worn or leaking injector is causing rough idle, poor cold starts, or reduced performance. Bosch builds these with high-alloy internals and plastic coverings for corrosion resistance and ethanol compatibility, and the unit ships with seals and O-rings so it is ready to install. For a performance-minded buyer the most notable benefits are the preserved spray pattern and precise flow rates that help maintain throttle response and efficient combustion after replacement. Limitations are that this listing is a single injector rather than a matched multi-injector set and fitment is specific to certain 2005 models and engine variants, so you must verify exact engine compatibility before buying.
Best for: Drivers focused on restoring or preserving engine responsiveness and drivability on a 2005 Explorer/Explorer Sport Trac or 2005 Mountaineer who want a factory-quality replacement injector.
Less Ideal for: Anyone who needs a full set of matched injectors for an engine refresh or owners of other model years and engines without confirming exact fitment should look elsewhere.
- Factory-quality spray pattern and flow rates to maintain throttle response
- Built with corrosion-resistant materials and compatible with ethanol fuels
- Includes seals and O-rings so it is ready to install out of the box
- Manufactured by an established fuel system supplier with decades of injector experience
- Sold as a single injector rather than a matched set for full-bank replacement
Verdict: Choose this Bosch single injector if you want a factory-quality replacement to restore throttle response and combustion efficiency on the specified 2005 Ford/Mercury models.
3. EVERESTWAY Fuel Injector Set of 6 for 4.0L V6 (replaces 0280158055)
| Connector Type | EV6 |
|---|---|
| Static Flow Rate | 215 cc/min |
| Coil Resistance | 12 ohm |
| Material Type | Stainless Steel, Silicone |
| Unit Count | 6.0 Count |
These EVERESTWAY injectors are a direct-replacement set of six intended for 4.0L V6 Ford applications like the Explorer and Mountaineer. They use an EV6 connector and a four-nozzle spray tip arranged in a 15 degree spray cone for more even fuel distribution, and come with preinstalled O-rings and a basket-style inlet filter. In practice that means easier swap-in installation and a focused spray pattern intended to restore fuel atomization and engine smoothness on higher-mileage engines. Construction combines stainless steel bodies with silicone seals for better corrosion and heat resistance than basic plastic injectors. Measured specs such as a 215 cc/min static flow and 12 ohm coil resistance make them suitable for stock fueling systems on the 4.0L V6. Limitations are typical of aftermarket replacement injectors: they are not advertised as calibrated for performance tuning and long-term durability will depend on maintenance and fuel quality rather than a factory parts program. Expect them to be a budget-conscious option to replace worn or leaking injectors and return drivability on an older Explorer Sport Trac.
Best for: Buyers looking for a practical, cost-effective injector replacement to restore smooth idle and drivability on a Ford 4.0L V6 who prioritize reliable fit and straightforward installation.
Less Ideal for: Drivers planning engine performance upgrades, high-flow tuning, or modified fuel systems should choose injectors specified for higher flow and calibration rather than this stock-matched kit.
- Engineered four-nozzle 15 degree spray cone for improved fuel atomization
- Preinstalled O-rings and basket inlet filter simplify installation
- Stainless steel body and silicone seals improve heat and corrosion resistance
- Flow-matched set with 215 cc/min static flow for consistent fueling across cylinders
- Not marketed for performance tuning or upgraded fuel systems
Verdict: A budget-minded, factory-fit replacement set that restores fueling and drivability on 4.0L V6 Ford vehicles without requiring modifications.
4. Autotiming Fuel Injectors Set of 6 Compatible with 2000–2003 Ford 4.0L and Ranger 2.3/3.0/4.0L
| Brand Name | Autotiming |
|---|---|
| Unit Count | 6.0 Count |
| Thread Type | M10x1.25 |
| Inlet Connection Type | Threaded |
| Outlet Connection Type | SAE |
This Autotiming set supplies six replacement fuel injectors intended for 2000–2003 Ford Explorer/Explorer Sport Trac, Ranger, and Mercury Mountaineer V6 engines. The injectors feature machined bodies, threaded inlet fittings, and SAE outlets with M10x1.25 threads, and come with heat-resistant O-rings meant to reduce leakage under high temperature. In practice these are a direct-replacement style part for owners repairing multiple cylinders at once or rebuilding an intake rail; the six-pack is convenient when several injectors show similar wear. The listing emphasizes fuel metering precision and improved combustion for steadier idling and potential fuel-economy gains when installed and calibrated correctly. Limitations include a short 30-day manufacturer warranty and the need to confirm exact part numbers before purchase to ensure fitment; professional cleaning or flow-matching may still be required for optimal performance. For budget repairs they provide a full-bank replacement option that keeps an older vehicle running without sourcing factory parts.
Best for: Buyers looking for an economical way to replace a whole bank of injectors on an early 2000s Ford V6 who prioritize saving on parts costs while restoring drivability.
Less Ideal for: If you need long-term warranty coverage, factory-specified injectors, or injector flow-matching for high-performance builds, look for higher-end or dealer-sourced options instead.
- Sold as a full set of six so all cylinders can be replaced at once
- Threaded inlet and SAE outlet hardware for straightforward installation on compatible rails
- Heat-resistant O-rings designed to reduce leakage under high-temperature conditions
- Designed to match common replacement part numbers for the specified Ford/Mercury engines
- Manufacturer provides only a 30-day warranty period
Verdict: A cost-focused full-bank replacement set that gets early-2000s Ford V6s running again without buying individual factory injectors.
5. TRQ 8-Piece Fuel Injector Set for 4.6L V8 (direct-fit)
| Included Components | 8 Fuel Injectors |
|---|---|
| Inlet Connection Type | Threaded |
| Outlet Connection Type | Snap-In Connector |
| Material Type | Metal |
| Manufacturer Warranty Description | 2 years |
This TRQ eight-piece fuel injector set is a direct-replacement kit intended for 4.6L V8 Ford applications. It replaces all eight injectors at once, which is useful when aging injectors cause rough idle, poor throttle response, or reduced fuel economy. The injectors are metal-bodied with threaded inlet fittings and snap-in electrical outlets to match factory connections, and TRQ includes installation guidance and DIY videos to simplify the swap. In practice the kit should restore consistent spray patterns and fuel delivery when old injectors are worn or clogged, improving drivability and throttle response on affected engines. The package is aimed at owners who want a full-rail refresh rather than piecemeal repairs, but it does not include seals or retainers listed explicitly and fitment must be verified for the exact model year and engine. Expect a straightforward replace-and-go installation for mechanically minded DIYers or professional installers familiar with Ford fuel rails.
Best for: Buyers who prioritize reliable, like-for-like repair and want to restore factory fuel delivery on aging 4.6L V8 Ford engines, preferring a full set replacement to eliminate injector-related drivability issues.
Less Ideal for: Drivers who only need a single injector replaced, those seeking performance-tuned injectors, or users who want a kit that explicitly includes all seals and ancillary hardware.
- Complete 8-injector kit for replacing all cylinders at once
- Metal construction with factory-style inlet and outlet connections for direct fit
- Includes access to step-by-step installation videos to aid DIY installation
- Seals or additional hardware are not explicitly listed with the injectors
Verdict: A solid direct-fit eight-injector kit for restoring reliable fuel delivery on 4.6L V8 Ford vehicles when you want a full-set, factory-style replacement.
6. YZHIDIANF Upgraded Fuel Injectors 0280156029 (6-Pack)
| Manufacturer | YZHIDIANF |
|---|---|
| Model | High Performance fuel Injectors |
| Item model number | 0280156029 |
| Exterior | Exceed OEM Specifications |
These YZHIDIANF injectors are a six-piece, direct-replacement set intended for 4.0L V6 applications like the Explorer Sport Trac and similar models. They arrive pre-fitted with upper and lower O-rings so installation is straightforward for anyone comfortable with basic fuel-system work, and the listing notes the lower injector ports should be cleaned before fitting. The seller says the injectors are built from composite materials with high-temperature viton O-rings to resist corrosion and heat, which should help longevity compared with cheap metal parts. In use they perform the core job of atomizing fuel for smoother idling, better combustion, and potentially improved fuel economy and reduced emissions. Practical limits are that this is an aftermarket unit rather than factory-sourced, so fitment checks are important and some buyers report swapping original O-rings if sizes differ. The package targets people replacing all six injectors at once rather than repairing a single unit, so it is best for scheduled refreshes or when multiple injectors have failed.
Best for: Buyers who want a full-bank replacement for a 4.0L V6 Ford and prefer a ready-to-install aftermarket kit with documented fitment and seller support to minimize uncertainty.
Less Ideal for: Drivers looking to replace a single failing injector or those who insist on factory-sourced parts should consider alternatives before choosing this full-set aftermarket kit.
- Sold as a complete six-injector set for full-bank replacement
- Pre-installed upper and lower O-rings to simplify installation
- Composite construction and viton O-rings designed to resist corrosion and high heat
- Specifically listed to fit 4.0L V6 Ford applications for direct-fit replacement
- Aftermarket part so exact fitment can vary and may require swapping original O-rings
- Not sold individually, which is less convenient if only one injector needs replacement
Verdict: A convenient six-injector aftermarket kit that offers direct-fit replacement for 4.0L V6 Ford engines and comes pre-equipped for easier installation.
7. TRQ 6-Piece Fuel Injector Set (direct-fit)
| Included Components | 6 Fuel Injectors |
|---|---|
| Connector Type | Push-In |
| Thread Size | 18mm |
| Valve Type | solenoid valve |
| Material Type | Metal |
This TRQ 6-piece fuel injector set replaces all six injectors on V6 4.0L Ford applications and is intended as a direct-fit factory-quality replacement. Typical use is a full-bank service when aging or failing injectors cause rough idle, poor throttle response, or reduced fuel economy. The kit ships with six metal solenoid-style injectors that use push-fit electrical connectors and threaded 18mm outlets for straightforward installation. TRQ highlights machined finishing and pre-assembled components to simplify swap-in installation, and the product pages include step-by-step installation videos to help DIYers. In practice you can expect restored fuel spray patterns and smoother engine operation when worn injectors are the issue. Limitations are that this is a vehicle-specific direct-replacement part set so it only solves injector-related problems and does not address fuel pressure, sensors, or other fuel-system failures; installers should confirm fitment for the exact model years before ordering. The kit comes with six matching units so replacing the full bank at once avoids mixing old and new parts.
Best for: Buyers who want a straightforward, factory-style replacement for a full bank of worn injectors and prefer parts that simplify a DIY swap with guidance available.
Less Ideal for: Those troubleshooting fuel delivery problems beyond the injectors, or buyers who prefer professional remanufactured or upgraded performance injectors, should consider alternatives.
- Complete 6-piece kit for replacing the whole injector bank at once
- Direct-fit design and pre-assembled components reduce the need for modifications
- Push-in electrical connectors and threaded outlets match factory connections
- Manufacturer provides installation videos to assist DIY replacement
- Only addresses injector replacement and will not fix unrelated fuel-system faults
Verdict: Choose this TRQ six-piece direct-fit kit when you want a full-bank, factory-style replacement that simplifies DIY injector swaps on the specified Ford V6 4.0L vehicles.
Choosing the Right Ford Explorer Sport Trac Fuel Injector: Key Factors to Consider
Fitment and Electrical Compatibility
Correct physical fit and electrical connector compatibility ensure straightforward installation on the Sport Trac without adapter harnesses or body modifications. Mismatched injectors can cause poor sealing at the fuel rail or intake and lead to vacuum leaks or fuel seepage. Electrical mismatches may cause erratic injector timing or failure to operate, which shows up as misfires or limp performance.
Confirming fitment means checking the injector length, O-ring sizes, and connector type against Sport Trac specifications. Properly fitting injectors also maintain correct spray orientation relative to intake ports, which matters for mixing and combustion efficiency. When replacing multiple injectors, using matched flow-rated units helps preserve balance between cylinders.
Flow Rate and Consistency
Flow rate, typically expressed in cc/min or lb/hr, dictates how much fuel the injector delivers at a given pulse width and pressure. For the Explorer Sport Trac, selecting injectors with flow rates close to factory specifications preserves air/fuel ratios and avoids drivability issues or check-engine lights.
Beyond nominal flow rate, consistency between injectors is crucial. Injectors with wide flow tolerances force the engine management system to compensate unevenly across cylinders, which can produce rough idling and increased emissions. Look for injectors with published flow testing or low tolerance ranges, and consider matched sets when replacing multiple units to reduce cylinder-to-cylinder variance.
Spray Pattern and Atomization
The way fuel is atomized and directed into the intake port affects how well it mixes with air before entering the combustion chamber. Proper atomization improves cold-start behavior, throttle response, and fuel efficiency on the Sport Trac, especially under partial load or during brief acceleration demands.
Different injector tips create narrow or wide spray cones and can favor port or direct-injection strategies. For intake-mounted injectors on the Sport Trac, look for a spray pattern that promotes even wall wetting avoidance and fast vaporization. Poor atomization can lead to wetting on intake runners, delayed combustion, and increased hydrocarbon emissions.
Sealing and Leak Resistance
Injector O-rings and internal seals must resist fuel immersion, heat cycles, and exposure to additives. A leaking injector can cause fuel odors, poor fuel economy, and hard-start conditions on the Sport Trac. External leaks may also saturate intake components and trigger sensor anomalies.
Choose injectors with high-quality O-rings sized for the Sport Trac rail and intake ports and materials rated for modern fuel formulations. Inspect pre-delivery pressure test data or manufacturing details about seal materials if available. Proper installation torque and seating are also essential to avoid future seepage.
Durability and Maintenance
Durable injectors reduce the frequency of service events and minimize long-term ownership cost. Corrosion-resistant internals and robust solenoids maintain electrical and mechanical performance through thousands of start-stop cycles that a Sport Trac typically experiences.
Maintenance considerations include whether the injector is serviceable or replace-only, and how tolerant it is of common cleaning procedures. Some injectors respond well to ultrasonic or on-car cleaning; others are sensitive and perform poorly after aggressive cleaning. Prioritize units with documented cleaning compatibility and accessible service information.
Response Time and Duty Cycle Tolerance
Injector response time affects how neatly the engine control unit can meter fuel at short pulse widths, which becomes important during idle, cold operation, and rapid throttle changes. Injectors with faster response times can improve transient throttle feel on the Sport Trac and reduce stumble during quick inputs.
Duty cycle tolerance indicates how well an injector performs at high pulse widths. If your Sport Trac sees frequent towing or heavy loads, injectors that sustain high duty cycles without overheating or introducing flow nonlinearity will preserve drivability and prevent lean or rich conditions under stress.
When to Replace Fuel Injectors on a Sport Trac
Several service indicators commonly point to injector problems on the Explorer Sport Trac. Persistent rough idle, misfires under light load, fuel smell around the intake, or a sudden drop in fuel economy are all symptoms that warrant inspection. Engine codes related to misfire or trim imbalance often accompany injector issues but are not exclusive to them.
Before replacement, perform basic checks like scanning for trouble codes, verifying fuel pressure, and inspecting for external leaks. If testing shows a particular cylinder running lean or rich relative to others, that injector is a likely suspect. Replacing injectors is appropriate when cleaning and testing do not restore consistent flow or when seals are visibly compromised.
- Look for persistent misfires tied to a specific cylinder
- Fuel odors or visible dampness near the intake or rail
- Poor cold-start behavior that improves after warming
- Uneven fuel trim values on a diagnostic scan
Cleaning Versus Replacing Injectors
Cleaning can restore injectors that are partially clogged by varnish or deposits. For the Sport Trac, on-car cleaning and ultrasonic bench cleaning are common approaches. Cleaning can be effective when flow reductions are moderate and when seals are intact.
However, if an injector has electrical faults, damaged internal parts, or leaking seals, replacement is the right course. Decide based on flow test results and a visual inspection. If multiple injectors show similar wear, replacing the set often yields the most balanced result.
- Use cleaning when flow loss is minor and electrical function is normal
- Replace when seals leak, solenoids fail, or flow tests are out of spec
- Consider matched sets to maintain balance across cylinders
Installation Tips for the Explorer Sport Trac
When installing new injectors on the Sport Trac, work in a clean area and replace upper and lower O-rings to ensure proper sealing. Lubricate O-rings lightly with clean engine oil or recommended lubricant to avoid tearing during insertion. Follow torque guidelines for injector retaining hardware and avoid over-tightening.
After installation, perform a fuel pressure and leak test before starting the engine. Monitor fuel trims and idle behavior during the first drive cycles to confirm the new injectors are functioning and that the engine management system has adapted to any minor differences in flow.
- Replace injector O-rings and lubricate before insertion
- Verify electrical connector fit and clip engagement
- Perform a post-install leak check and monitor fuel trims
Upgrading Injectors for Performance Uses
Some Sport Trac owners consider higher-flow injectors for performance upgrades or to support higher boost or fueling demands. When selecting higher-flow units, ensure the increase is matched to engine tuning changes and that the engine management system is recalibrated to prevent rich or lean conditions.
Upgraded injectors can improve power potential but also change drivability characteristics if not matched with the correct fuel pressure and calibration. For street-driven Sport Tracs, modest flow increases are safest and should be paired with professional tuning.
- Higher-flow injectors require ECU recalibration or tuning
- Ensure fuel pressure and pump capability match increased flow
- Avoid oversizing injectors that drive duty cycle too low for accurate metering
Common Diagnostic Tests for Injectors
Useful tests for Sport Trac injectors include resistance checks, injector pulse verification with a scope or noid light, and comparative flow testing. Resistance checks can identify open or shorted coils, while pulse verification confirms the ECU is commanding the injector.
Comparative flow testing, either on-car with a flow meter or on a bench, reveals differences between injectors. If you are diagnosing a suspected leak, a pressure decay or visual inspection during a fuel system pressurization can help find external seepage.
- Measure injector coil resistance against Sport Trac specifications
- Use a noid light or oscilloscope to confirm injector pulse
- Perform comparative flow testing to identify outliers
Still looking for the perfect fit?
Select your Ford Explorer configuration to see the most relevant Fuel Injectors recommendations
How We Chose the Best Ford Explorer Sport Trac Fuel Injector
We focused on criteria that matter specifically for the Ford Explorer Sport Trac and its typical use cases. First, fitment accuracy was a primary filter because the Sport Trac has specific electrical connectors and mounting requirements; units that required modifications were excluded. Second, measured or specified flow consistency across injectors was required to ensure balanced fueling under load. Third, spray pattern and atomization data were considered since these affect cold start and low-RPM drivability. Fourth, durability and materials were evaluated, favoring injectors with corrosion-resistant internals and reliable seals to limit leaks.We also examined serviceability: injectors that can be cleaned or whose nozzles are compatible with standard cleaning procedures scored higher. Exclusions included any injector that lacked clear compatibility documentation for the Sport Trac configuration, those with unverified flow specs, or units marketed only for performance swaps without Sport Trac fitment. The final picks balance correct fitment, consistent flow, long-term sealing reliability, and reasonable ease of maintenance.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I tell if a Sport Trac injector is clogged or failing?
Symptoms often include rough idle, cylinder-specific misfires, and increased fuel trims. A diagnostic scan, comparative flow test, and visual inspection for leaks help distinguish clogging from electrical failure.
Can I clean Sport Trac fuel injectors myself?
On-car cleaning using a proper cleaning kit can help light deposits, and bench ultrasonic cleaning is more thorough. Cleaning works when injectors are mechanically sound and seals are intact; electrical or leak faults require replacement.
Should I replace all injectors at once on my Sport Trac?
Replacing all injectors is recommended when multiple units show similar wear or when balanced flow is important. If only one injector fails and the others test within tolerance, replacing the single unit can be acceptable.
Will higher-flow injectors improve power without tuning?
Usually not. Higher-flow injectors change fuel delivery and typically require ECU recalibration to maintain proper air/fuel ratios. Without tuning, you risk running rich or triggering fault codes.
What maintenance extends injector life on the Explorer Sport Trac?
Using quality fuel, replacing fuel filters at recommended intervals, and periodic cleaning when deposits form all help. Promptly repairing fuel system leaks and maintaining proper fuel pressure also reduce stress on injectors.
Final Verdict
When replacing fuel injectors on a Ford Explorer Sport Trac, prioritize correct fitment, consistent flow, and reliable sealing. These factors have the most direct effect on idle quality, throttle response, and long-term engine health for this vehicle.Balance durability and serviceability with the injector flow and spray characteristics you need. For routine restoration of drivability, aim for matched injectors that meet Sport Trac specifications; for performance changes, pair higher-flow units with proper tuning and fuel system upgrades to maintain safe operation.
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