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2000 Elantra acts like it is not getting gas and check engine light on what causes this?

Potential Causes:

- Fuel Pump Failure: Check the fuel pump to make sure it is functioning properly.

- Clogged Fuel Filter: Replace the fuel filter if it is clogged.

- Faulty Fuel Injector: Inspect the fuel injectors and replace any that are faulty.

- Vacuum Leak: Check for any vacuum leaks and seal them.

- Oxygen Sensor Failure: Inspect the oxygen sensor and replace it if necessary.

- Faulty Engine Control Module (ECM): Have the ECM diagnosed and repaired or replaced if faulty.

- Defective Ignition System: Check the spark plugs, spark plug wires, and ignition coil. Replace any defective components.