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So here is my situation. 93 XJ with fittings on compressor for R134a. I had been futzing around in my engine bay and kinked an AC hose years ago. I just recently got around to fixing that, it has been hot and I've wanted the 'luxury' of A/C again. Ended up replacing both hoses to and from the...

Hey all, so I don't have an exactly stock or normal fuel setup. Here it is: -93 XJ -01 injectors -Returnless fuel rail and fuel check valve cleared out to go to external fuel pressure regulator, pressure set at just under 50 psi. -01 intake manifold -Wideband So my XJ has been getting very...

I've replaced both within the last 10k miles, but there is oil seeping from the rear of the oil pan/transmission junction. How can I tell which one is leaking? I've never quite figured that out. I'm thinking i'll pull the pan and put some gasket sealant on the rear part of the oil pan gasket...

Alright, I am going to be as detailed as possible in describing my issues so that I can solicit as helpful feedback as possible. My car is a 93 XJ with the stock 4.0L HO (other than a 01 intake manifold and injectors). I recently did a whole slew of upgrades. Pertinent upgrades and notes...

What temp does your XJ run at this time of year? I'm a bit baffled, my XJ doesn't get above 165 on the freeway. I have an aftermarket digital gauge. Is this normal? I just replaced the thermostat, but I bought a cheapie from O'reillys. Do cheap thermostats start opening earlier, thus keeping...

The car is a 93 XJ with the 4.0HO. Relatively stock, other than a 2000 intake, 2000 injectors and an adjustable FPR with the pressure set at 49.5 Psi with the vacuum source disconnected. What are the requirements for Closed loop? I understand that you have to be at a steady speed, not giving it...