i have a 96 cherokee , 4.0 aw4 , banks headers are the only mod , 180,000 kilometers on the engine. what happens is the engine will rev to like 1400 rpm and stay for a while and the drop back down to normal , its totally random , some days it doesent even do it . anyone have a similar problem?? it sounds like a vacume leak but everything seems to be workin good in that department
thx carl
thx carl
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