Question about 1998 Jeep Grand Cherokee

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My 1998 Jeep Cherokee seems to loss power everytime I start it. After just 2-3 seconds, the engine shuts off. I got the vehicle from an impounding area and it has not been used for more than three (3) years. All electricals are working including the engine computer unit and all fuel injectors. It has a manual tranny and has a 4-cyclinder, 2.5L, petrol fueled engine. I have already replaced the fuel pump and all the spark plugs but still did not fix the problem. Is there some kind of switch that I have turn on? Can you help me?

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Since is sat so long, whatever fuel was in the tank has probably gone "sour". Old gasoline gets an unpleasant "varnish" smell to it. The only certain way to remove any bad fuel is to drain the tank, and by all means change the fuel filter again.
Another thing that happens when a vehicle sits a very long time is that condensation in the tank causes water in the fuel. One or two cans of "dry gas" along with a full tank of fresh gas can often take care of this.
The easiest way to drain the fuel tank is by disconnecting the fuel line under the hood, connecting a hose to it, place the hose in a gasoline can, and turn the key two clicks to "ON" (NOT START!) so the fuel pump does the work for you.

Posted on Apr 10, 2011

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