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1999 cherokee running slugish

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Old 04-08-2012, 11:04 AM
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Year: 1993
Model: Cherokee
Engine: 4.0 inline 6
Default 1999 cherokee running slugish

its got the inline 6 in it, sometimes when i give it gas it acts like it heasitates (not all the time) and when it does it if you hammer on it it quits doing it, sometimes when going to a stop or ideling the rpms drop down to like 300, but it wont die.. not throwing any codes either
Old 04-08-2012, 11:06 AM
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Year: 1996
Model: Cherokee
Engine: 4.0 HO Straight Six
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First and foremost, check fuel pressure at the fuel rail using a fuel pressure gauge
Old 04-08-2012, 11:08 AM
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and i forgot to add, it quits doing it after like 45 mins of driving
Old 04-08-2012, 11:50 AM
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Did it just start doing it? Did it give any warning signs? Have you done any work to it recently? When was the last time you gave it a full tune up?
Like 1996sportXJ said "check fuel pressure at the fuel rail using a fuel pressure gauge".
Old 04-08-2012, 12:13 PM
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its been doing it for a while, new plugs wires cap and rotor, the rpms drop slow when you drive it sometimes too..
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