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Was talking to a guy at the parts store whos got an xj and he mentioned the map sensor may have something to do with it running rough once in a while and uusing more fuel. He also mentioned the odler xjs fuel guages didnt work quit right either. Is it possible that this would be the issue and...

Its holding fuel pressure as far as I can tell parked it at school for 3-4 hrs and push the pressure releas valve and gas came out so Im asumeing my new injectors are fine.

What should I be looking for when I do this? No there is not a greasy film at least not that I have noticed.

Wen i did the plugs number 5-6 they were a lil black guess ill check em again. It has also started to run like the head gasked is blown only wen at idle but wen i rev it up it does fine. This morning it shut down because it idled so bad right after starting it. Started it again and didnt have...

Ya im starting to think theres a fuel leak on my way home with just the driverside window down I could smell gas when I accelerated a lil. Where is the regulator at and should I invest in an adjustable one if it needs replaced?

I have an 89' Cherokee 4.0 and I noticed to day when I shut it down in the parking deck at school I could smell gas. There are no leaks that I could find but I used almost a quarter tank of gas only running 20-25 miles. Im assuming its running rich because of the smell it runs perfect drives...