Possible causes of your stalling issue:
* Timing: You are right, improper timing can absolutely cause stalling. The timing belt/chain can slip, wear out, or break. This needs to be inspected immediately by a professional as a broken timing belt/chain can cause major engine damage.
* Fuel System Issues:
* Fuel pump failure: A weak or failing fuel pump might not deliver enough fuel to the engine.
* Clogged fuel filter: A dirty fuel filter can restrict fuel flow.
* Fuel injectors: Dirty or faulty fuel injectors can cause an irregular fuel spray, affecting combustion.
* Ignition System Issues:
* Spark plugs and wires: Worn-out spark plugs or faulty spark plug wires can prevent proper ignition.
* Distributor cap and rotor: These components can wear out, leading to misfires.
* Ignition coil: A failing ignition coil can fail to provide adequate spark.
* Vacuum Leaks: A vacuum leak can disrupt the air-fuel mixture, leading to stalling.
* Sensors: Several sensors are crucial for engine operation:
* Crankshaft Position Sensor (CPS): A faulty CPS won't provide the engine control unit (ECU) with the information it needs to determine when to fire the spark plugs.
* Throttle Position Sensor (TPS): A malfunctioning TPS can send incorrect throttle position data to the ECU, affecting fuel and ignition timing.
* Mass Air Flow (MAF) Sensor: A dirty or malfunctioning MAF sensor can provide inaccurate air flow readings to the ECU, leading to poor fuel-air mixture.
* Other:
* Air intake: Check for any obstructions or blockages in the air intake system.
* Battery: A weak battery can also contribute to stalling.
Recommendations:
1. Get it Diagnosed: The best course of action is to take your car to a qualified mechanic for a proper diagnosis. They can use specialized tools and equipment to pinpoint the exact cause of the stalling.
2. Check for Codes: If your car has a check engine light, get the trouble codes read. This can give you some clues about what might be wrong.
3. Visual Inspection: Before taking it to a mechanic, you can do some basic visual inspections yourself. Look for signs of worn or damaged parts, such as cracked spark plug wires, loose vacuum hoses, or visible fuel leaks.
Remember, I can't offer specific repairs or advice. Always consult with a qualified mechanic for any serious automotive issues.
