* Maintenance: Regular oil changes, proper fluid levels, and timely repairs are crucial. Neglecting maintenance significantly reduces engine life.
* Driving habits: Aggressive driving, frequent short trips, and towing heavy loads put more stress on the engine.
* Driving conditions: Severe weather conditions, like extreme heat or cold, can also impact engine longevity.
* Engine type: Different Focus engines (e.g., 1.6L, 2.0L, etc.) may have different inherent lifespans.
* Quality of fuel and other fluids: Using low-quality fuel or fluids can lead to premature wear.
While some Ford Focus engines may last over 200,000 miles with proper care, others might fail much sooner due to neglect or unforeseen circumstances. It's more accurate to say that with good maintenance, a Ford Focus engine *could* reach a high mileage, but there's no guaranteed number.
