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Ford EcoBoost 3.5
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Ford EcoBoost 3.5
Verdict
SOLID · 63/100
Est. cost /3yr
€1,200-3,500 over 3 years depending on recall completion status and turbo/cooling system maintenance
Oil interval
8,000 km
Recalls
2
Worst issue
Engine-Related Recalls (PCV Oil Intrusion / Wiring Harness Fire Risk)
CRITICAL
Ford EcoBoost 3.5
Mk13 · Mk13 3.5 TT
Engine-Related Recalls (PCV Oil Intrusion / Wiring Harness Fire Risk)
€0 (dealer recall repair)
CRITICAL
Charge Air Cooler Condensation Misfire
€150-600
HIGH
Cam Phaser / VCT Solenoid Rattle
€300-900
MODERATE
Carbon Buildup on Intake Valves
€300-800
MODERATE
Poor Idle Quality / Stop-Start System Issues
€100-400
MODERATE
Electrical and Electronic Module Faults
€200-1,500
LOW
Ford EcoBoost 3.5
Mk13 · Mk13 3.5 TT
•Run the VIN through NHTSA's recall database and confirm the PCV and wiring engine recalls are marked complete
•Test drive in cold or damp conditions if possible, or ask directly about any history of multi-cylinder misfire under boost
•Load-test the battery and check for an H8 AGM upgrade or budget for one if idle feels rough
•Perform a full OBD2 scan across all modules, not just the engine, to surface stored electrical faults
•Listen for cam phaser rattle on a cold start, most relevant on 2015-2016 build trucks
•Inspect both turbochargers and intercooler plumbing for boost leaks, oil seepage, or actuator wear
•Ask about any intake cleaning or carbon buildup service history, especially past 100,000 km
Ford EcoBoost 3.5
Mk13 · Mk13 3.5 TT
Engine-related recalls (PCV and wiring)
Run the VIN immediately and confirm both recalls show as completed before purchase
Any mileage
Charge air cooler
Check for the TSB fix or drain modification; test drive in cold/damp conditions if possible to check for misfire
30,000-150,000 km
Battery (H8 AGM)
Load-test battery; replace with H8 AGM if weak to prevent idle and stop-start issues
80,000-120,000 km
Turbocharger wastegate actuators
Inspect for boost irregularities and actuator play given the bi-turbo layout
120,000-180,000 km
Ford EcoBoost 3.5
Mk13 · Mk13 3.5 TT
ENGINE - PCV System / Oil Intrusion
PCV valve fault can allow oil into the intake tract, leading to stalling or rough running, on certain 2015-2019 F-150 3.5 EcoBoost trucks
ENGINE - Engine Bay Wiring
Wiring condition in the engine compartment linked to potential fire risk on certain 3.5 EcoBoost F-150 trucks
Ford EcoBoost 3.5
Mk13 · Mk13 3.5 TT
✓High torque output suited to heavy towing and hauling
✓Bi-turbo layout gives strong low-end pull with minimal turbo lag for a truck engine
✓Gen2 (2017+) revisions improved throttle response and added direct injection alongside port injection
✓Recall repairs are covered at no cost by Ford dealers
✓Broad parts availability and strong dealer/independent shop familiarity with the platform
Ford EcoBoost 3.5
Mk13 · Mk13 3.5 TT
Real consumption
13.5 L/100km
Official consumption
12.4 L/100km
Oil interval
8,000 km
Oil spec
Ford WSS-M2C945-A/B1 5W-30 full synthetic (confirm exact spec against the owner's manual for the specific model year)
Est. cost /3yr
€1,200-3,500 over 3 years depending on recall completion status and turbo/cooling system maintenance
Ford EcoBoost 3.5
Mk13 · Mk13 3.5 TT
365 hp · 569 Nm
2015-2016
375 hp · 637 Nm
2017-2020
Prefer the 2017-2020 Gen2 tune for the extra torque and improved throttle response from the added direct injection, but confirm the charge air cooler condensation TSB has been addressed since this issue is specific to the Gen2 cooling design. Regardless of which tune, the PCV and wiring recalls affect both, so a VIN check matters more than the model year or advertised power figure.