Question

fill in the blanks. electric pumps are used on ____ fuel injected vehicles and ____ carbureted vehicles: no / all some / all all / some

Explanation:

Electric pumps are standard in all fuel - injected vehicles to supply fuel under pressure. In carbureted vehicles, some may use electric pumps, especially in high - performance or modified setups, while others may rely on mechanical pumps.

Answer:

C. all / some