- Idle Air Control Valve (IACV) or throttle body issues: The IACV or throttle body may not be functioning correctly, causing the engine to stall when you let go of the gas pedal.
- Vacuum leaks: A vacuum leak can cause the engine to run lean and stall when you let go of the gas pedal.
- Fuel pressure issues: Low fuel pressure can cause the engine to stall when you let go of the gas pedal.
- Dirty fuel injectors: Dirty fuel injectors can cause the engine to run rough and stall when you let go of the gas pedal.
- Faulty oxygen sensor: A faulty oxygen sensor can cause the engine to run rich or lean, which can lead to stalling.
- Faulty ignition system components: Faulty spark plugs, spark plug wires, or distributor can cause the engine to stall.
- Electrical issues: A loose or disconnected electrical connection can cause the engine to stall.
It's recommended to have the vehicle inspected by a qualified mechanic to accurately diagnose and fix the issue.
