Ok, I have been at this trying to figure this one out for a few months. I have read a bit, but cant seem to put my finger on this problem or serious of problems. the backdrop: 96 xj, 142,000 miles, intermittently goes into bad idle, dies at stop signs, turning, etc. Runs fine at highway speeds. Problem started some time ago, cleaned TB, replaced IAC, TPS, replaced MAP last week. Also did rotor, cap, wires, plugs, within 6 months ago. The other odd problem is intermittently, when i step on the gas hard, the car almost 'feels like' its shutting down of r aquick second at 3100 rpm, then starting up once it dies down to around 2800 RPM, if I kepp it floored, it maintains this pattern cyclicaly. THis problem has been around off and on for a few months, but has been consistent for the last few days now, along with the crappy idle. Any help you can give is most appreciated as I am truly stumped. I dont think is fuel related, and I have a new coil and CPS on hand, which I think I will try to install next?
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