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Repair guides and support for the first generation Grand Cherokee ZJ, an upscale mid-size SUV built by Chrysler's Jeep division.

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starting problem starts then dies when cold rest of day it runs fine.

93 jeep zj starting problem. hard to start when cold, it starts then dies. runs fine and no starting issues during rest of day.

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@bshawn what engine size and what have you checked?

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I just got a used 2009 expedition to

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@bshawn could be a fuel issue so check the fuel pump,filter etc. The other things I would definitely check on are the coolant temperature sensor, the air Intake Temperature sensor. Since it seems to happen more when the engine is cold I would focus on that and the fuel.

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Ok I will have that check tomorrow

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Even when it's hot after about 20 miles

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B. Shawn Thornton will be eternally grateful.
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