Could be a tired fuel pump. GM trucks are not strangers to bad fuel pumps.
1960
Probably the fuel pump.
a motor needs fuel, spark, and air to run. Check your plugs, unplugged sensor wires, distributer cap.
I have recently removed a 1992 Chevrolet Silverado dashboard from a junkyard truck, and also my '92 Chevrolet Silverado dashboard from my fathers truck and installed the new one I removed from the junk yard truck...let me just inform you, it's not easy. Start at the bottom removing those screws and work your way up is my best suggestion.
I have the same truck and installed a remote start/alarm.I went to the library computer and used their online resource called ALLDATA.
The same as any other vehicle. Start at the right rear, then left rear, then right front, and end up at the left front.
Check your crank shaft sensor
If your 2003 Silverado is lurching or jerking when you start it the most common issue is the fuel pump.
It is an electric fuel pump and does not require priming.Cranking the engine should start the pump to run. The computer shuts it off after 3 seconds if the engine has not started.
There is no reason to bleed the air from the fuel lines on a fuel injected engine, It will bleed itself through the injectors when you are trying to start it.
You need to periodically replace the headlights on your Chevy truck when the headlights start getting dim. You can purchase replacement headlights from retailers such as Parts Source.
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