Recent content by Widnrf1j1

I hooked up a gauge to the fuel rail and checked it. When I first started it, the pressure was 31 with the regulator hooked to the vacuum and then 40 when unplugged. After driving for about 20 minutes, it surges and will not idle smoothly. At that point, the pressure is oscillating greatly. I...

Can someone please help me with a complete diagram of what plugs into what on the engine head? Something is wrong with my set up and when I get to full operating temperature, the fuel pressure varies from 30 to 40psi. I replaced fuel pump, filter, and pressure regulator. I have also replaced...

If I do the "key dance" after the reset procedure without driving it, should it still show the same error code sequence?

I have an 86 CJ with a 91 Cherokee Engine, Transmission and ECM. I am hoping that one of you can tell me how to reset the ECM without a headlight connection. I harvested the error codes last night and it confirmed that my air intake temperature sensor and distributor needed attention. I...

Does anyone in the North DFW area have a diagnostic tool for a 91 Cherokee? I swapped the engine and transmission into a CJ and the check engine light doesn't work.