Complex sentence: In 1992 he made his debut in Formula One at the wheel of a March-Ilmor, an important decision that forced him to abandon the FIA International Formula 3000 Championship while leading a few races before the end.
Split into simpler sentences: In 1992 he makes his debut in Formula One at the wheel of March-Ilmor. An important choice that forces him to abandon the FIA International Formula 3000 Championship while leading a few races before the end.