Chrysler 300 Red Lightning Bolt: It’s NOT the Throttle Body! (Hidden Vacuum Leak)

Is your Chrysler 300 running rough with the dreaded red lightning bolt on the dash? In this video, I go beyond the basic "throttle body reset" to find the real cause of the limp mode and misfire using a scan tool and smoke machine. The Problem & Solution]The Chrysler 300 Electronic Throttle Control (ETC) light can be triggered by more than just a bad sensor. My car was idling terribly and throwing misfire codes. I’ll show you step-by-step how I diagnosed a massive vacuum leak that was tricking the computer into limp mode. What we cover in this video:Scanning for Codes: Using a scan tool to see what the computer is actually seeing.Smoke Testing: How to use a smoke machine to find hidden vacuum leaks in seconds.The Fix: Locating the leak and getting the Chrysler 300 back to a smooth idle.Clearing the Light: Resetting the red lightning bolt once the air-fuel ratio is corrected. #Chrysler300 #RedLightningBolt #VacuumLeak #MechanicTips #LimpMode #MisfireFix #SmokeMachineTest #ETCWarning #DIYAutoRepair