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Almost all modern vehicles use fuel-injection systems. These systems have nearly replaced the _______ used on cars for years.

a. carburetors
b. piston rings
c. oil pickups
d. oil pumps

User Aurea
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1 Answer

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Almost all modern vehicles use fuel-injection systems. These systems have nearly replaced the carburetors (a) used on cars for years.
User Icedcoffee
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