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1993 2.5 wobt pass 3300 rpm

598 views 4 replies 3 participants last post by  Lheaton 
#1 ·
Iike it says I have a 93 yj with the 2.5 and a 5 speed. It doesn't matter if it's in gear with a load or idling once it hits 33-3500 rpm it starts spuddering and won't climb any higher in the RPMS. Replaced the tps and new fuel. Just wondering if anyone else has found a solution for this. Thanks in advance
 
#2 ·
I would think that at 3500 rpm it would start to float the valves. Runs bad at that point
 
#5 ·
Yeah this one has 183k on it and as far as I know the only new part on the motor is a head gasket. It seems to be fairly common problem from the cat or 02 censors. I guess I just need to do some one by one problem solving. It just runs to damn good up until those RPMS to make me think it's something major. Thanks guys
 
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