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I have a 95 wrangler with a 4.0 and 5 speed. A couple of weeks ago, I went wheelin' with some friends in the mountains and after all the fun I took my Jeep out of 4wd and the light in the dash would not go off. I drove it home and crawled underneath to see what the problem was. I removed the...

I was wondering if anyone out there has had any experience with stroking a 4.0 to a 4.5-4.7? From what I have read in a couple of articles on the internet this is a pretty simple thing to do. However I haven't seen or heard much about it on this forum. If anyone out there has built one I am...

My 4 wheelin buddy and I were driving down the road and the check engine light came on in his 94 yj 4.0. We went to Oreilleys and borrowed their scan tool and the code was 52 rich condition detected at O2 sensor. We turned on the key (without starting the engine) and fuel pressure was right on...

I have a 95 yj with a 4.0 and a friend of mine has a 94 with a 4.0. When you start mine it will fire off almost instantly. On my buddy's his has to crank over for 4-6 seconds before it will start. We put a gauge on the fuel rail and it has 38 psi but it bleeds down to under 30 in about 3-4...