Silverstang is correct. A more precise way of metering fuel. Controlled electronically by means of a computer, fuel injectors spray a fine mist of fuel in a conical pattern, where as the carburetor supplies a steady jet or stream of fuel and needs to be adjusted manually in order to achieve and maintain proper air to fuel mixtures, carburetors are thought to be less fuel efficient. The air filter has been covered and Silverstang is correct on that as well.
Ex-GM Parts Pro 15+ yrs. exp.
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