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92 4.0 accel studder and intake backfire

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Old 05-12-2011, 12:55 PM
  #31  
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Year: '88 Pioneer
Model: Cherokee
Engine: 4.0L
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Any resolution today? I am having some of the similar symptoms on my '88. I replaced the O2 sensor yesterday and it is still kicking. I am pretty sure my vacuum is good. I do know I have a leak in the Brake Booster diaphram. Would this cause the issue?
Old 05-17-2011, 06:32 PM
  #32  
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Year: 1992
Model: Cherokee
Engine: 4.0L
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Well I got it figured out. Turns out it was the o2 sensor...good thing it was the first thing I tried.
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