Which effect occurs when excessive fuel is injected during cold start of a gasoline engine?

💡 Explanation

When excessive fuel is injected during cold starts, incomplete combustion occurs because the engine isn't hot enough for efficient vaporization, leading to an over-rich mixture entering the catalytic converter, causing it to overheat. Therefore converter overheating results, rather than bearing damage, valve float or injector clogging, which require different failure modes.

• Which risk increases when a semiconductor laser's power supply current exceeds the threshold?
• Which outcome occurs on a CNC lathe when stick-slip friction exceeds hydraulic damping?
• Which consequence results when MOSFET gate oxide fails?
• In a robotic arm executing a complex path, which outcome occurs when limited computational precision affects inverse kinematics?
• Which action results from exceeding Inverse Definite Minimum Time relay setting in a power management system node?
• Which outcome occurs when exceeding compressor superheat limits in HVAC systems?