Jeep stalls
try doing the procedure below, should cure the problem.
Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
We have the same problem with our '97 Jeep Grand Cherokee and replaced almost everything EXCEPT the Ignition coil which was just done. The coil had 8 cracks and was allowing moister into the system. The engine has run fine since then. Only time will tell if this has fixed the problem once and for all.
At this point, everything including what you replaced is suspect. You need to start testing. Is there spark, fuel etc when it stalls. What do you find when its running. does it idle well does it surge under hard acceleration, etc. Does it stall randomly or at a certain time after starting (or temperature) What are running fuel pressures. Is engine grounded properly?
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