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Thank you for the details. I just worked an 8 hour shift today so I got the new fuel pump in and purged the air with the key on/off a couple of times and it’s doing great. It’s still a project and I have more I have to do to it but the engine runs!

I’ll go ahead and leave this here though incase there’s anyone out there going through this same thing. My tank was fairly clean, no debris in the plastic box the pump sits in. The mesh pre filter had no signs of anything on it other than fuel. I’ll be back on in roughly a week with results...

I didn’t actually read amps, I was looking at resistance to ground and trying to compare online what it should be. I don’t know what the resistance or amps should read anyway I’ll check on the new pump when it’s arrives though

The fuel pump isn’t pumping any fluid. Matter of fact it isn’t making any noise any more. I think it’s done for. I don’t know what resistance to look for across the pump and ground though but I saw someone say somewhere that their pump to ground read 2 ohms and is working and mine is way higher...

Update: I bought a harbor freight fuel injection pump tester and hooked it to the Schrader valve on the fuel rail and I have 0 fuel pressure even with 12v jumped straight to the pump

Ok, I’ll pull the pump back out and get back here in about a day or so when I get home. I’m honestly a little suspicious of the rubber hose that was posted earlier. I did notice a difference in the one on the original pump like it was much thicker but time will tell. It could be particulate...

The pre-filter being the mesh-like sock around the pickup for the pump? I’m not well versed in how exactly the fluid flows throughout that tank but I shined my light down into the tank and there’s a plastic bin that the pump is isolated from the tank. When I pulled the old pump out it did come...

I haven’t noticed any fuel dripping or pooling around on my concrete anywhere during all of this but I’ll check for pressure at the rail in about a day and check back here. 0 pressure would lead me to believe that the hose in the tank blew up like the one you posted or possible air in system...

What pressure tester should I get? Im Not familiar enough with reliability/affordability of fuel pressure testers. Personally I’d look for one at autozone but if I could save $20 I’d just wait for one to come delivered from the big rock candy mountain I have not replaced any fuel lines...

Hi all, New to the YJ forum and I’m looking at getting some advice or a new approach to my problem. Question is in regard to air in fuel system, I think? 1993 YJ 2.5 manual transmission. Vehicle was mine along time ago and let’s just say it’s in rough shape now as it was parked in a rural...