My car engine isnt getting fuel, i have checked for spark and it gets it, sprayed starter spray in the intake and it will crank over and fire up for a second, so knew it was fuel. i replaced the fuel pump and inspecting in the tank it was very clean nothing to clog any lines it looked like, there was no fuel in the lines when i took them off to drop the tank either. checked every fuse in and out of the car as they are not labled, and replaced the relay and some others i thought may be the one for it, and checked all the rest, but my car will still not start, i have a new fuel filter i will put in tomorrow incase the old one is clogged but other than that i cant think of what else the issue could be, i also tried an obd2 scan tool but it wouldnt work for some reason, any advice? My battery is currently sitting at 12.1v as it has been cranked a few times, could that stop it aswell? The obd2 scanner wouldnt read my engine codes but said my cranking test was good, my car is a suzuki grand vitara 2001, it has 260,000km and is a manual