Hello all, I have a 2004 Silverado 4.3 Liter 5 Speed. 119,000. Won't start, can pull all 6 Spark plugs and with a remote start switch will turn over and Orange Spark on all 6, So far replaced Fuel Pump, Plugs, Wires, Cap, Rotor, Crank Shaft Sensor, Pulled and cleaned all injectors, Changed Oil. Any suggestions, Getting quite expensive changing every thing. Any and all Advice would be helpful.