
Here are the reasons for insufficient fuel supply when accelerating: 1. Incorrect valve timing: Intake and exhaust valves are not tightly sealed. 2. Poor performance of the fuel pump due to internal or circuit issues causing overheating: Short circuits or burnout leading to poor or halted fuel supply. 3. Blocked intake system: Components like the air filter or air flow meter prevent proper mixing and combustion with fuel. 4. Internal engine faults: Improper causing premature or abnormal wear, cylinder pressure issues, or other hidden problems. 5. Fuel system blockage: Issues with injectors, fuel filters, or fuel quality. 6. Abnormal spark plug ignition: Aging components, overdue replacement, carbon deposits, or incorrect model selection (e.g., heat value). 7. Poor ignition system performance: Problems with spark plugs or high-voltage wires.


