possibly the intake manifold sensor Check the fuel pump, and the injectors/ carburettor.
to much of it can stop our system
Dirty fuel filter
by driving my car the hyundai elantra 01 stall out and i replaced spark plugs , cam sensor crank shaft position sensor and still not ignighte
There are several reasons an engine may stall while driving, here are three.The fuel tank is empty and the engine is starved of fuel.Not enough power to climb a hill causing a stall.Faulty or damp electronics on a petrol engine can also cause a stall.
Electro Proportional Pressure Reducing Valve, it decreases pump flow to prevent engine stall
What causes a 1997 Pontiac sunfire gt with a 2.4 liter engine to stall when stopped at a light
The year, make, model and engine info would help but a serious vacuum leak could do that.
The crank sensor probably needs to be replaced.
More info such as the year and engine size would help.
possible bad TPS, IAC, or ECT sensors
Need to know the year and make, It would help answer.
Removing the oil cap with the engine running causes a vacuum leak in the positive crankcase ventilation. This causes too much air to enter the cylinders at once, which results in a stalling engine.