Answer the following statement(s) true (T) or false (F)

1. All engines require fuel and a way to mix the fuel with air to operate.
2. Oxygenated fuels have an oxygen-based component such as alcohol or ether that contains more oxygen than is normal.
3. The suction feed diaphragm carburetor has the same design as the vacuum carburetor.
4. Engines with PGM-FI should have two throttle valves for each cylinder.
5. In a typical EFI system, the ECM must “know” the amount of air entering the engine so that it can supply the stoichiometric air–fuel ratio.


1. True
2. True
3. False
4. False
5. True

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