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    Cherokee 94 Auto Shut Down relay overheated (difficult)

    OK this problem still very very difficult Yes of course I pulled out all MIL codes and all of them are the expected.. Oxygen sensor circuit A/C clutch relay Colling fan relay circuit Fuel pump resistor bypass relay circuit Fuel pump relay In few words all the problems that I already know...
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    Cherokee 94 Auto Shut Down relay overheated (difficult)

    Hi there I have a problem that still unsolved by the experts.. My standard 94 4.0L shuts down after 30 min, the problem is narrow down to the "auto shut-down relay" which overheat and when I want to restart doesnt start, when I change the relay start fine and the cycle continue... Actions...
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    Cherokee 94 Misfiring ECU/injctor unsolvable problem

    Ok folks Thank you very much for your help.. ok this is the way how I solved the problem.. yes.. I started from cero separating each single system that receives signal from the ECU one by one looking for problems.. the CSP conector had 700 Ohms in pin#3.. Bingo... y replaced and problem gone...
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    Cherokee 94 Misfiring ECU/injctor unsolvable problem

    My Cherokee 94 has a misfire in the cylinder 3 and 4, the scan shows a "fuel injector issue" in these injectors, if the injector conector is unplugged the engine does not change.. -the injector does not work as the scan says- when the noid light is placed in the these contectors (3&4) guess...
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