Why can't the car accelerate when warmed up?

[GeorgeRose]

When a warmed-up car cannot accelerate, it is usually due to an electronic throttle failure. Here are the relevant explanations for the inability to accelerate when the car is warmed up: 1. Air intake system leakage or blockage: The throttle position sensor signal is actually part of the air intake system. The engine requires sufficient air to function properly. If the air intake system has leaks or blockages, the car may experience reduced power, inability to increase RPM, and body shaking when accelerating. 2. Fuel system failure: The engine's fuel system is also crucial. If low-quality gasoline is used, it may lead to fuel pump burnout, catalytic converter failure, piston issues, etc., directly affecting engine power and potentially causing engine stalling, inability to accelerate, or similar symptoms.