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Old 12-27-2013, 11:02 AM   #1
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Join Date: Aug 2013
Location: Hilltop Lakes
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Random engine sputtering

I have a 1993 Wrangler YJ, 4.0 5 spd, 4" suspension lift and about 86,000 miles on the odo. I am experiencing a sputter around the 50-60 mph range. I have replaced the fuel filter, pump and regulator. Appears to be worse at the half and blow tank mark. Its a random event, I tried seeing if it was temp, terrain or any other possible common denominator but have yet to find one. Is there a solution or is it just a Jeep thing? Thanks in advance!!
p.s. Have run several bottles of injector cleaner through fuel tank, no fix

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Old 12-27-2013, 12:46 PM   #2
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Try unplugging the O2 sensor and driving it...

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Old 12-29-2013, 09:19 PM   #3
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Thanks Will try that
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engine 4.0 , fuel , sputter

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