on gmc's and chevy's there is a spot in the wiring harness that goes down the back of the engine block on the passenger side next to the distributor, this section of harness continuously rubs on the back of the block, more so if an intake manifold gasket was just replaced. it will rub a hole in the wiring loom and ground out there. check it out and see.
Yes, there is a fuel sensor in a 2000 GMC Sierra.
get your transmission checked out. these transmissions are well known to fail
most likely a bad resistor but possibly the switch. do a continuity check to tell for sure.
The 2000 GMC Sierra OBD 2 port is on lower edge of dash; right of parking brake
Slipping alternator belt Loose connection Bad alternator Computer problem
you dont
14 or 15 Mpg
Your 2000 GMC Sierra Vortec might be hard to start because the battery or the starter are worn or dead. The GMC Sierra might also be hard to start because of a clogged fuel filter.
5W30
6x5.5
35 Gallons
The cast of Infierno en la sierra - 2000 includes: Valente Pastor Guillermo Quintanilla Antonio Raxel