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Why would a 1998 Lumina suddenly stall while driving?

1. Fuel System Issues:

- Clogged fuel filter

- Faulty fuel pump

- Injector problems

2. Ignition System Problems:

- Worn-out spark plugs or ignition wires

- Faulty ignition coil

- Distributor issues (if applicable)

3. Air Intake Issues:

- Dirty or obstructed air filter

- Malfunctioning mass air flow (MAF) sensor

4. Engine Sensors:

- Faulty oxygen sensor

- Coolant temperature sensor issues

5. Engine Mechanical Problems:

- Vacuum leaks

- Compression problems

- Timing belt/chain issues

6. Electrical Problems:

- Battery or charging system issues

- Faulty ignition switch or wiring

7. Computer Problems:

- Malfunctioning engine control module (ECM) or issues with its sensors

8. Transmission Problems:

- Transmission fluid issues (automatic transmissions only)

- Faulty transmission components causing the vehicle to stall

It's recommended to have your car inspected by a qualified mechanic to accurately identify the cause of the stalling issue and make the necessary repairs.