ELECTRICA FALLAS IN BLAZER START

Hello, I have a problem with my blazer fails me in fuel and CNG feeding, I have doubts if it is the emulator?, the distributor's module?, or step by step? . My blazer with Vortec Motor 4.3 V6 year 1993, if anyone has in election of the car, to throw me an XFOR hand, and where it takes step by step in which part it is located ????

Exactly what happens with it, there is no corrinete in the spark plugs, or it makes explosions, starts or stops the engine, or simply the start is heavy ...

that type of vortec engines has the tapa of the flat distributor by the upper part which makes them vulnerable over the passage of time like any lectric part, if you do not change it over time, a lot of resistance is generated, which makes the current of it.

And true that when I miss her, it costs her a bit to start, I go out with her, rather, before 15 minutes walk, eat the fault, with pulls and turn off the engine, asta that remains unable to walk. CONCLUTION When the engine is cold, it goes well, so that it takes temperature ... and the fault is considered ..