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Old 05-27-2010, 01:49 AM   #1
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Unhappy Engine dies when hot

Hi guys. Newbie from Oz.
98 Cherokee 4.0 dies when it gets hot. If I was to go up a long really steep hill or drive 10 kms in soft beach sand the engine will die and not fire up again until it cools down, generally about 30 - 40 minutes. It runs OK until I idle the engine to look at the scenery then it just dies. After 30 - 40 mins it will fire up as though nothing had happened. Water temp stays on 95C (200F) I'm thinking it may be a fuel vapour lock or something like that.
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Old 05-27-2010, 01:59 AM   #2
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check your thermostat. was happenin to me. that did the trick.
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Old 05-27-2010, 02:15 AM   #3
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Thanks, I replaced the thermostat recently, but as I said the water temp is OK.
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Old 05-27-2010, 02:26 AM   #4
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oh. i see. hows your radiator. maybe needs burped?
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Old 05-27-2010, 11:26 AM   #5
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Sounds like it could be the idle air control motor or the crank sensor.
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Old 07-14-2010, 02:53 AM   #6
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Opinion has it that it could be the Crankshaft position sensor. I replaced it today, so we shall see if its fixed.
I had trouble finding it as people were saying its tucked up under the exhaust manifold. Wrong, its attached to the flywheel housing, cow of a thing to get to.

Bill
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