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driving my jeep have to drop into 3rd to get up hill with foot to floor holding about 50 55 on flats she picks up speed but have found if falls below certain rpms have to drop again into 3rd she has not shown anything on computer except for o2 sensor// my buddy told me to look at it and sure enough it had a wire just barely hanging on I change top one due to it shorting after that issue of it bucking I did upper o2 sensor, change air filter, spark plugs, and she ran fine about a month or so later maybe two. Then she showed signs of lost acceleration/& she seems fine on flats most of time but a def notice of power acceleration / Mostr I get out of her now is 60 65 if going down hill maybe 70 75 ?? where as I would have her in in 3rd to 4th within say less then 10 to 12 seconds 65?? Now more like 2nd to 3 and then to 4th 30 to 40 seconds later 50 55 heading towards 60 // been told was time belt ? but from what I have read showing no signs of what I have read about reactions from time belt// some say PTC module// Others say// TP Sensor ?? // but if it were wouldn't they show on Computer along with if it was time chain wouldn't that show as well? As stated she runs smooth a bit of hesitation on acceleration but smooth no issues with gauges or noises & as stated only two codes which did come up and were changed is pressure sensor for power steering and o2 sensor & both were changed one thing I have yet to do is check the 2nd 02 sensor down by main cat as two of them on exhaust small one and larger down by muffler // but you know this.
check heater core
i have a wrangler and had almost same senerio found out power steering pressure harness clip worn down and not holding in place . moved it wild engine just turn on to accessories and it went off had harness and clip replaced
there may be a relay seems there are quite a few in jeep that controls alot of different senerios , with all that going on i would bet on relay & not fuse
a 3inch lift kit was installed into wrangler i purchased but low 4 wd does not want to go in // was told a pivot rod assembly & bracket has to be install to allow for difference in height? is this a kit & if so where can i purchase one and name of kit pls.