2020 FERRARI SF90 STRADALE

Typical onset: 15,000-35,000 mi

Symptoms: Sudden loss of power and metallic knocking from engine bay, Oil contamination with metal particles on analysis, CEL with misfire codes or low compression readings, Coolant mixing with oil or excessive consumption

Fix: Complete engine rebuild required—pistons, rings, bearings, often head gaskets. This is a 60-80 hour job on the SF90 due to hybrid packaging making access extremely difficult. Engine must often come out entirely. Many cases traced to overboosting, inadequate oil cooling during track use, or failed PCV system causing ring flutter.

Estimated cost: $45,000-75,000

Symptoms: Loss of electric-only driving mode or reduced hybrid boost, High-pitched whine or grinding from front axle during acceleration, Dashboard warnings for hybrid system fault, Inverter overheat messages especially in hot climates or after spirited driving

Fix: Front axle electric motors or inverter replacement. The SF90 uses two front motors and one rear motor—front units are more prone to failure. Inverter issues often heat-related. R&R is 18-25 hours due to need for specialized Ferrari diagnostic tools, high-voltage safety protocols, and calibration. Parts are sole-source from Ferrari with long lead times.

Estimated cost: $22,000-38,000

Typical onset: 8,000-25,000 mi

Symptoms: Transmission overheat warnings during aggressive driving or track days, Limp mode activation after sustained high speeds, Visible fluid seepage around transmission cooler lines, Burnt transmission fluid smell

Fix: Transmission oil cooler replacement or line resealing. The 8-speed dual-clutch is stressed by the hybrid's instant torque delivery, and cooler capacity is marginal for track use. Cooler R&R is 8-12 hours including fluid flush and system relearn. Upgraded aftermarket coolers available but void warranty.

Estimated cost: $4,500-7,500

Typical onset: 12,000-30,000 mi

Symptoms: Rough idle or hesitation when transitioning from electric to ICE mode, Extended cranking before engine starts, Loss of power at high RPM or under full throttle, Fuel pressure fault codes

Fix: Fuel filter replacement and sometimes in-tank pump service. SF90's high-pressure direct injection system is sensitive to fuel quality—premium fuel with ethanol can accelerate filter clogging. Filter access requires partial tank removal, 6-9 hours labor. Some cases need pump replacement if debris damaged internals.

Estimated cost: $2,800-5,200

Typical onset: 10,000-40,000 mi

Symptoms: Excessive vibration felt through cabin at idle or during mode transitions, Clunking noise when engaging drive or reverse, Vibration intensifies when electric motors engage or disengage, Worn rubber visible on inspection

Fix: Transmission mount replacement, often multiple mounts simultaneously. The instant torque from electric motors stresses mounts more than traditional Ferrari V8s. Replacement is 4-6 hours including subframe support and alignment. Ferrari has revised mount design mid-production but hasn't issued recall.

Estimated cost: $2,200-3,800

Symptoms: Reduced electric-only range (below 12-15 miles when new was 15.5), Failure to charge or extremely slow charging rates, Battery thermal management warnings, Uneven cell voltages on diagnostic scan

Fix: High-voltage battery module replacement or BMS recalibration. The 7.9 kWh battery uses cells prone to degradation if frequently fast-charged or left at 100% SOC. Module replacement is 12-18 hours including system discharge, safety protocols, and relearn procedures. Some cases covered under 8-year battery warranty if capacity drops below 70%.

Estimated cost: $18,000-28,000