my daughters 2000 4.3 sonoma 4x4 won't start once it's cold ..it has a brand new fuel pump the engine coolant sensor is new it has a brand new distributer the mechanics tried removing the computer to warm up no difference they even tried it with a new coil still no start i have all the tune up parts as well wires plugs yet to be installed (they were supposed to be) ,,,i 'm close to wits end all and any suggestions welcome
