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Old 11-07-2014, 12:29 AM
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Default fuel filter
Will a bad fuel filter cause my jeep to run too lean
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Old 11-07-2014, 12:38 AM
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If its really clogged up and never been changed in years it could.Have you tested the fuel pressure to see if it has enough?
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Old 11-07-2014, 09:02 AM
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I haven't checked the pressure the problem with my jeep is it kinda chugs doesn't die and hard idle I changed the sensors and it still does it the only one I didn't change was the up stream o2 could that cause it
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Old 11-07-2014, 10:20 AM
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Check your fuel pressure at the fuel rail then you will know for sure if its weak or not.
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Old 11-07-2014, 08:54 PM
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Lean could also be a vacuum leak
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Old 11-08-2014, 06:52 AM
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Originally Posted by eddiet
I haven't checked the pressure the problem with my jeep is it kinda chugs doesn't die and hard idle I changed the sensors and it still does it the only one I didn't change was the up stream o2 could that cause it
Any codes?

Last time it was tuned up?

How do you know it's lean?
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