Why did my Silverado engine die after 9 months?
Turns out that the wiring harness to the ECM had fallen down onto the motor, melted the loom, and shorted the ECM out occassionally. It only took 9 months to figure this out, but it did the trick. It was extremely frustrating as it would run like a champ one day, and die the next.
What kind of truck starts and then dies?
From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. My 99 Yukon with Vortec 5.7L suddenly won’t run. It cranks over fine, starts in about 1 second (normal), but then dies 2-3 seconds later.
What causes a car to start and then die?
But if there is a fuel leak somewhere, then the proper amount of fuel won’t be able to make it to the combustion chamber. This might cause the engine to still start, but it won’t be able to keep it running. That is why it will die almost immediately after it starts.
What to do when your Silverado Sierra dies?
I’ve tred different its hard to scan when runs for 2seconds time. The keys might need to be relearned into the factory system. My old Jeep would do the same thing. One thing to try. Turn the ignition to the on position. This is the position where all the lights and icons are on in the dashboard but don’t start the car. Attempt to start the engine.
Why does my GM Truck start and die?
Starts and runs fine and then all of the sudden. Yesterday morning it starts and dies after about 1 second, started it again and same results. It does this several times. After about 30 mins of trying and talking to it a while it started and ran fine. Drove over to the garage turned it off and restarted several times and it was fine.
What should I do if my Silverado Sierra won’t start?
Attempt to start the engine. If it doesn’t start then release the key back to the on position. Watch the security light. After 10 to 15 minutes the security light should turn off. Turn the ignition off and wait 5 seconds.
Turns out that the wiring harness to the ECM had fallen down onto the motor, melted the loom, and shorted the ECM out occassionally. It only took 9 months to figure this out, but it did the trick. It was extremely frustrating as it would run like a champ one day, and die the next.