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Well if it takes it a minute to start hesitating then it is more than likely a sensor(not water in the gas, or a fuel related issue). What is happening is for the first couple of minutes the ecu is running in open loop and running just off stored data in the ecu. If I can remember correctly it...

I have a few more questions for you mouse. Can you be a little for specific about the occurrence of the hesitation. What I mean is, what are the conditions it happens in(i.e, idle, rpm, vehicle speed, engine hot or cold, right away or takes a minute, a certain throttle position) every little...

As far as power, probably bumped it up to what's 4.0 is stock. As far as cost, probably around 2,500 for everything. All out cool factor, priceless:shades:. Just kidding I did it pretty much just to see if I could do it, as is pretty much every reason people do the things they do to jeeps...

Yea I found my problem, but yours won't be the same. My O2 map was off so I got a piggyback ecu to remap them. Hardly the problem you are having. To your question about the gas tank. No it is not that hard to drop. Unscrew the 7 screws around the gas cap. Then remover the 7 or 8 bolts supporting...

Before you do that(more than likely that is not your problem). Unplug your upstream O2 sensor and go drive it. If it dose not happen, then that is your problem. Usually this is what is going out. Let me know if this does not fix it and well go from there. Cheers Chris

It has a manifold and adapter plate from rimmer engineering. An aftermarket high flow fuel rail(not sure what brand it was used). Ford Racing 30lb Injectors. Had the gas tank out a week ago and replaced both strainers and cleaned.Stock fuel filter. To control the injectors I am using a split...

I need help/ideas. I have a 5-speed, 4cyl, 2.5L Wrangler TJ (01), and I installed a Eaton m45 Supercharger on it. I am having a consistent hesitation every time -- 100% of the time -- I accelerate and hit 2000RPM. I can push through it, and the jeep will run perfectly fine again. It is solely at...