Yes, fuel pump problems can cause stalling, particularly if the pump is unable to deliver sufficient fuel pressure to the engine. Most fuel pumps are set to deliver fuel within a specific pressure range, usually 40-60 PSI for standard vehicles. If the pump is unable to sustain this pressure, then the engine may not receive sufficient fuel and could stall out, especially on acceleration or at idle. Researches show that even a 10% drop in pressure leads to certain noticeable engine performance problems and may stall the engine due to the fact that the mixture becomes too lean to burn.
This is made worse when you have a clogged fuel filter (if equipped) or worn pump components; as they act to restrict fuel flow, the pump must work harder, which then can lead to overheating. If the pump overheats, it becomes less efficient and more likely to stall when loaded. To prevent clogs capable of affecting consistent throughput of car fuel, mechanics recommend changing this filter at least every 20,000-30,000 miles. A clogged filter also loses up to 20 percent of the fuel flow since the pump has to work harder to supply the engine, which raises a risk of stalling, according to reports.
Voltage drops is another electrical issue that is known to affect fuel pump performance as well; this may also lead to stalling. A constant 12V is needed to run fuel pumps as well. Help you’re losing his performance – a loss of performance level of up to 15 percent, and also interference in the delivery of fuel. When it is under high stress, like if you were driving up a hill or flooring it, that voltage instability can cause the engine to stall because the fuel pump is not getting enough power. Other vehicles have voltage regulators that prevent fluctuations to the pump, but old batteries or defective wiring can still pose a risk.
Another is heat management as surrounding fuel is what some fuel pumps use to cool. If the tank level drops to level 1/4 or lower, the pump will be under heavy load air which can overheat. High heat decreases the life of the pump by 30% per 10 degrees of increase and results in spontaneous stalls in extremely hot conditions or in applications with lengthy operational duration times.
Constantly Stalling — Checking Fuel Pump (and Parts) By keeping the fuel pressure steady, the voltage constant, and the fuel supply free from contaminants, they minimise the chances of stalling, thus helping the engine to remain reliable and performing with a good potency level across different conditions.