[3] At the United States, the American's car developed an ignition fault on the parade lap, and the start was delayed 25 minutes while the crew attempted to solve the problem.

Finally, Andretti took his place on the grid, but when starter Tex Hopkins dropped the green flag, the Parnelli car did not move and the field had to scramble to avoid the American.

The Parnelli mechanics eventually got the car push started two laps late, but Andretti was black-flagged for receiving outside assistance.

[5] Before Brazil Parnelli changed their tyre supplier to Goodyear after Firestone's decision to quit racing but the American finished seventh.

[13] Andretti retired from the final three races, spinning off at Austria,[14] Crashing at Italy and with broken suspension at the United States.

[17] Before the United States Grand Prix West Andretti only learned of the Parnelli team leaving Formula One from journalist Chris Economaki, as he sat in the car on the grid but the American retired from the race with a water leak.