In 1984 Fabi returned with Forsythe Racing in their No. 33 Skoal Bandit March 84C-Cosworth DFX. He qualified third at the Toyota Grand Prix of Long Beach and was second at the Dana Jimmy Bryan 150 at Phoenix International Raceway. He was eighteenth and nineteenth due to a crash at Long Beach and a blown engine at Phoenix. At the Indianapolis 500 Fabi qualified fourteenth and retired in twenty-fourth place due to a fuel system failure after 104 laps and leading for 14 laps. His best finish was third at the &lt;a href="Grand%20Prix%20of%20Portland"&gt;Stroh's/G.I. Joe's 200&lt;/a&gt; at Portland International Raceway. Following the Budweiser Cleveland Grand Prix Fabi left Indy car racing to concentrate on the Formula One season. Fabi ended his partial season twenty-fifth in points.