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Posted on Jul 23, 2010
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99 jeep cherokee with 4.0 straight six takes extra long to start

Problem really only exist after it sits overnight. Once it starts and runs it always fires up easily. Replaced plugs, wires, distributor cap and rotor. Any thoughts let me know. Thanks

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wtdash

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  • Posted on Jul 23, 2010
wtdash
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The request doesn't say what the problem is...takes extra time to start?

Sounds like fuel-related - injectors/fuel pump/fuel filter? Is there a strong fuel smell or black exhaust for a few seconds/minutes after starting it when it's sat overnight? If so, then you've got a leak causing excessive fuel...kind like 'flooding' the engine on old cars w/Carbs.

It could also be the temp. sensor. If it thinks the car is 'warm' it won't give the car enought fuel to start when cold.

GL,
Td

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