The EFI system in the Rambler ran fine in warm weather .
The EFI system in the Rambler suffered hard starting in cooler temperatures and AMC decided not to use this EFI system , on its 1957 Rambler Rebel production cars that were sold to the public .
The EFI system in the Rambler ran fine in warm weather , but suffered hard starting in cooler temperatures and AMC decided not to use this EFI system , on its 1957 Rambler Rebel production cars that were sold to the public .