2002 Chevy Silverado won' start

Do you have a check engine light? If not do below

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, Do you hear the fuel pump come On when you turn key on? If not check fuel pump fuse and fuel pump relay if so, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,coil's resistances,cap and rotor,distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it and keep testing

When i went to start my truck thi morning it did not start same thing when i got home from work. so i put some carb cleanere in it then it started rite up. dont know what is going on.

When you turn key to run-do you hear the fuel pump come On? If so check the fuel pressure and get back with the readings

what would cause low fuel pressure? Where do i get the readings from?

Weak fuel pump, leaky injectors and fuel pressure regulator-You check on the fuel rail test port

Thank you for all your help. I well let you know how it goes.