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What would cause a 1983 Cadillac Eldorado to stall when making right turns?

1. Vacuum Leak:

- A vacuum leak in the engine bay, such as a cracked hose or faulty gasket, can cause the engine to lose vacuum pressure and stall when the vehicle makes a right turn.

2. Fuel Filter:

- A clogged fuel filter can restrict fuel flow to the engine, causing the vehicle to stall. Since right turns may exert different forces on fuel lines and filters, a weak or clogged filter may be more prone to stalling during these turns.

3. Faulty Fuel Pump:

- A faulty fuel pump may not provide sufficient fuel pressure, causing the engine to stall when the demand for fuel increases, such as during right turns.

4. Faulty Ignition System Components:

- Components like spark plugs, ignition wires, or the distributor cap can cause the engine to stall if they are faulty or worn out. Right turns may vibrate the vehicle, affecting these components and causing the engine to stall.

5. PCV Valve:

- A faulty or clogged Positive Crankcase Ventilation (PCV) valve can lead to a build-up of pressure in the crankcase, causing the engine to stall when turning.

6. Faulty Idle Air Control (IAC) Valve:

- The IAC valve helps maintain a steady idle speed. A faulty IAC valve may not regulate the airflow properly, leading to unstable idling and potential stalling.

7. Oxygen Sensor:

- A faulty oxygen sensor can provide incorrect feedback to the engine control unit (ECU), affecting air/fuel mixture and potentially leading to stalling.

8. Faulty Throttle Position Sensor (TPS):

- A faulty TPS can provide incorrect information about throttle position to the ECU, causing the engine to receive inaccurate fuel and airflow, potentially leading to stalling.

9. Faulty Fuel Injectors:

- Faulty or clogged fuel injectors can cause inconsistent fuel delivery, affecting engine performance and potentially causing stalling.

10. Check Engine Light:

- Pay attention to the Check Engine Light. If it's on, have the vehicle diagnosed for trouble codes to identify potential underlying issues that may contribute to stalling.

It's important to have the vehicle inspected and diagnosed by a qualified mechanic to accurately identify and fix the root cause of the stalling issue during right turns.