1997 GMC Sonoma

I'm selling due to moving. 1997 GMC Sonoma SLS 4.3L V6 with 272,531km on it, 4 door, extended cab truck. Automatic transmission. I put a new fuel pump in it and she cranks well tried to get her going but I don't have time to have a project truck not sure what's stopping it from firing now. If ad is up and doesn't say sold it's available. Vehicle is also first come first serve. Open to offers