Is the Ford Explorer 3.5 V-6 a good engine?

Yes — the Explorer’s 3.5-liter V-6 can deliver strong performance and solid towing, but its quality varies by variant and maintenance history. The naturally aspirated 3.5 Ti-VCT version is simpler and generally reliable, while the 3.5 EcoBoost turbocharged engine offers more power at the cost of higher complexity and potential turbo-related maintenance. Note that Ford no longer sells a 3.5 V-6 in new Explorers as of the latest model years; the engine is now primarily found in used or older models.

Context: how the 3.5 V-6 has evolved in the Explorer

Over the Explorer’s history, two distinct 3.5-liter V-6 configurations powered the lineup. The naturally aspirated Ti-VCT 3.5L offered straightforward performance and solid reliability, while the twin-turbo EcoBoost 3.5L boosted horsepower and torque for stronger acceleration and towing. In recent model years, Ford shifted the Explorer away from a 3.5 V-6 option altogether, favoring smaller EcoBoost engines and hybrid variants. That means the 3.5 V-6 you’ll encounter today is typically found in used 2011–2019 Explorers or in early-2020s units, not in new showroom models.

Two main configurations defined the 3.5-liter family in Explorers, with notably different outputs and maintenance profiles:

• 3.5L Ti-VCT V6 (naturally aspirated) — introduced for the Explorer in the early 2010s; typically yields around 290 hp and about 255 lb-ft of torque; praised for simplicity, predictable behavior, and potentially long engine life with regular maintenance.


• 3.5L EcoBoost V6 (turbocharged) — a twin-turbo, direct-injected design that delivers substantially more power and torque (roughly mid-300s horsepower and a broad torque band, depending on year and trim); this variant is more performance-oriented but also more complex and costly to service.

In short, the 3.5 V-6 family comprises two very different engines: a simpler, potentially longer-lived NA option and a higher-output turbocharged version that demands careful maintenance.

Performance and towing: what to expect

When evaluating whether the 3.5 V-6 is a good engine for you, consider how it performs in daily driving and light-to-moderate towing. The EcoBoost variant supplies notably stronger acceleration and torque, which helps with passing, merging, and trailer work. The naturally aspirated version remains adequate for everyday commuting and family duties, with a smoother, quieter character at cruising speed.

Key performance and capacity traits buyers should weigh:

• Power and torque: EcoBoost offers significantly more output than the NA engine, enhancing highway performance and load handling.


• Towing capability: both variants can tow typical midsize SUV loads, with actual capacity varying by drivetrain, chassis, hitch setup, and trim; EcoBoost configurations often allow higher-tow specs when properly equipped.


• Drive feel: EcoBoost engines tend to feel stronger in the mid-to-upper RPM range thanks to turbo boost, while the NA engine delivers steady, linear power.

Overall, the 3.5 V-6 family provides usable, confident performance for most mid-size SUV needs, but your experience will hinge on the exact variant, transmission pairing, and whether the vehicle has been well maintained.

Reliability and common issues: what owners report

Reliability discussions around the 3.5-liter engines often hinge on which version you’re dealing with. The turbocharged EcoBoost is more complicated and can incur turbo- and carbon-related issues as mileage climbs, whereas the naturally aspirated 3.5 generally presents fewer turbo-specific concerns but is an older design that may show age-related wear sooner if not properly serviced.

Common topics to watch for include:

• EcoBoost turbocharger and intercooler health: potential wear, boost leaks, or failure in high-mileage or heavily loaded use.


• Direct injection carbon buildup: DI can lead to valve deposits over time, affecting performance and efficiency if not addressed.


• Timing chain tensioners and related components: wear can cause rattle or timing concerns at higher mileages.


• Gaskets, seals, and oil leaks: some engines show gasket or seal wear as they age, requiring proactive maintenance.


• Overall maintenance cost: the EcoBoost’s added complexity can translate to higher repair or replacement costs compared with the NA engine.

With attentive maintenance—regular oil changes with the recommended oil type, attention to turbo cooling, and routine DI-specific checks—these engines can deliver solid reliability. However, potential owners should budget for higher upkeep on the EcoBoost variant and verify service history on used examples.

Maintenance and ownership considerations

Maintenance needs differ between the naturally aspirated and EcoBoost variants. Here are practical guidelines to keep either version running well over the long term.

• Follow Ford’s service schedule for oil changes and use the recommended oil grade; synthetic oil is common for these engines.


• Be mindful of spark plug replacement intervals, especially on the EcoBoost, where maintenance can be more involved due to turbocharging and performance tuning; consult the owner’s manual for exact intervals.


• Turbocharged engines require proper cooldown and a healthy cooling system to protect turbo components during heavy use.


• Direct injection systems may benefit from periodic intake cleaning and high-quality fuel to minimize carbon buildup.


• Check for recall campaigns and service bulletins relevant to your VIN, and factor in potentially higher repair costs for EcoBoost variants.

Overall, EcoBoost models tend to have higher ownership costs due to their complexity, but with careful maintenance, both variants can be reliable for many miles. Your best bet is a thorough pre-purchase inspection if you’re buying a used Explorer with a 3.5 V-6.

What to know if you’re shopping used

If you’re evaluating a used Explorer with a 3.5-liter V-6, prioritize documentation of regular maintenance, especially oil changes, turbo system care (if it’s the EcoBoost), and any DI-related service. A professional inspection focusing on the engine, turbo system, timing chains, and gaskets can help uncover potential issues before you buy.

• Look for complete service history and evidence of timely maintenance.


• For EcoBoost models, listen for unusual turbo noises or rough idle and check the intercooler for leaks.


• Inspect cooling and oil-circulation systems, along with timing chain/tensioner wear indications.


• Assess fuel economy and performance history to gauge whether carbon buildup or injector issues have impacted efficiency.

A well-maintained 3.5L Explorer can still be a solid choice in the used market, but be mindful of potential EcoBoost-specific repairs and overall age-related wear.

Summary

The Ford Explorer’s 3.5-liter V-6 family offers a clear trade-off: the naturally aspirated 3.5VVT is simpler, potentially long-lasting, and adequate for everyday use, while the EcoBoost 3.5 delivers stronger performance and towing capability at the cost of higher complexity and maintenance. As of recent model years, Ford no longer sells a 3.5 V-6 in new Explorers, making these engines most relevant to used-car shoppers. With careful maintenance, either variant can serve as a capable, family-oriented powertrain; the key is understanding which version you’re dealing with and staying on top of recommended service.”

What are the downsides on a 3.5 V6 Ford motor?

The Ford 3.5 EcoBoost offers robust performance, but persistent problems like timing chain failures and carbon buildup underscore the importance of avoiding early years and staying vigilant.

Which year Explorer to stay away from?

Transmission problems rank among the most expensive issues with the Explorer. Early models, particularly the notorious 2002-2005 years, suffered from failures in the five-speed automatic transmission. Symptoms include rough shifting, slipping between gears, delayed engagement, or complete failure to move.

What is the best engine to get in a Ford Explorer?

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Which Ford engine to stay away from?

Quick Answer: Ford Diesel Engines & Years to Avoid