Why does my truck dies after warming up?
Well, there is an ignition problem that can cause this when the engine gets hot and it stalls. It’s caused by a lack of spark which can be either the ECU’s fault (on EFI cars), or the coil on pretty much any car. Heat causes expansion. The ECU or the coil gets hot and expands.
What causes a truck to just die?
Malfunctioning ignition switch. When the ignition switch is worn down, there can be a loss of power to the engine because of vibration like hitting a rough patch of road. This loss of power causes the engine of the car to die while driving.
What would cause a truck to die while idling?
Your vehicle is filled with different sensors. If either of these sensors is relaying incorrect information. Then your engine might not receive enough air, which it needs to power itself. When there’s a lack of air, it leads to a lack of power, which can cause your car to stall while idling.
Why does my GMC Truck die at idle when warm?
So I wasn’t suspicious of fuel pressure, then later checked it and I have a steady 10psi from the moment I turn the key until a few seconds after it dies so the fuel pump is good. It runs strong and is fine until I idle. This happens only when the engine is warm and last time I checked it never went into closed loop.
What does it mean when your car stalls at idle?
If the Engine Stalls at Idle Unless You Press the Accelerator IV. If the Engine Starts When Cold but Stops When Warm V. If the Engine Stalls Intermittently I. If Your Engine Stops Immediately After it Starts Your engine may stop as soon as you let the key return from the Start to the Run position.
What to do if your car dies while idling?
Engage the parking brake, start the engine, and let it idle. Pop the hood open. Wiggle the battery cables, including the small wire that connects to the car’s body, if your vehicle has one. If the engine shuts off and the headlights stop working while you do this, you are dealing with a loose, corroded or frayed cable or wire.
Why does my TBI die at idle when warm?
With 160K on the TB it was time for a rebuild and good cleaning. The throttle body has been rebuilt with new injectors, fpr, and orings. The idle is not high. It fluctuates and sometimes it cant recover from the drop in rpms and dies.