So since I had some fluid sucked out of my trans it stopped the rpm increase.
Read the threads but no sure I follow all. I have 2001 cherokee sport 4x4 and I have noticed same problem. Occasionlly while driving at steady speed (around 50-55mph) I will notice tach go from 1800-1900rpm to 2000-2100rpm for an instant (2-3 secs) and then return to 1800-1900rpm. Oh I did test while driving at 50-55mph of just touching brake pedal and rpm increases to 2000-2100rpm and then return to 1800-1900prm. I see Zee Jay talks about brake switch. Is there more I can do to determine if its brake switch and not transmission? If response says bad brake switch is it switch for brake lights or is there some other switch and location? Car upshifts and downshifts while driving as normal and I don't feel and slippage. Thanks
Originally Posted by haro View Post
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