I have a 91 XJ 4.0 AW4 181K and going but, I have a situation that's driving me insane. So...it runs amazing after the assembly but when I drive and coming to a stop like a red light, it starts to bog down to like 250rpms...almost cuts off. Hell, it actually cut off a couple times this week. When I do stop and it stays running, I can feel it jump and the rpms start to rise like the transmission downshifted to take off again....what do you think it is?

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