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  1. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    Final Update: Replacing the IAC resolved the issue. 300 miles trouble-free.
  2. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    Issue remains resolved - zero idle issues and I’ve driven the crap out of it yesterday and today.
  3. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    Update: IAC replaced with Mopar part. The pic shows some “slight” variation. Note that in the pic the o-ring is missing from the new IAC, I did install it! I’m sitting in my idling TJ. Initially all seems well. I’ll give it a few days since the issue has been intermittent and I previously...
  4. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    Update: I do not have the issue resolved as of yet. The issue persists but is very intermittent - I will have runs that have rough idle frequently and others that have no issue. Usually I now only have one or two instances of rough idle during a trip. Regardless, it needs to be fixed. I...
  5. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    Update: Fixed? Not really. Yesterday I ran the Jeep for work. Upon starting the engine I got the dreaded low RPM issue. That continued with the same issue I was experiencing - RPM drop at dead stop idle. My trip to work is 25 miles, about 1/3 of the way the issue stopped. A little over 8...
  6. Echo5

    Is this normal? Jeep still runs after pulling key out of ignition

    My 02 does it as well, haven't tried the spare yet.
  7. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    Update: Cold start 100% normal. Let idle until completely warmed up with no issue. Made a round trip of 12 miles to gas her up for a total trip time of 21 minutes with the route including several stops, hills, and turns both right and left. No issues. Dead stop idle RPMs held at ~650 at the gas...
  8. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    Update: I am sitting in my running TJ at an average of 650RPMs whereas before, during the issue, I would average about 400RPM. Disconnecting the battery and reconnecting it *seems* to have solved the issue. Upon startup this morning the MIL was illuminated and I had a solid P0155 error. I...
  9. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    Autolite Iridium XP985 - replaced July 2018 as per info from this forum.
  10. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    Apologies for the neophyte question, but which temp sensor am I replacing? Also, apologies to @Steve Rodgers for missing his post!
  11. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    I meant that the amount of gunk on the IAC was not near as dirty as yours pictured - apologies for that. I'm going to try checking the battery connections since I did recently replace it, thanks to insight from @Capt'n. I will be replacing the O2 sensors in the near future even if the battery...
  12. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    I replaced the battery over a month ago (maybe two months now). Makes sense to check that the connections are secure. I'll report back on this tomorrow.
  13. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    Pulled the IAC this morning. Not very dirty, nothing compared to @Chris pictured IAC. Cleaned it and the housing for good measure. No improvement. Hooked up the bluetooth OBD reader using OBD Fusion on the iPhone and got no codes, but it did report pending codes of P0135 and P0155. I did...
  14. Echo5

    Rough idle at dead stop only and P0135 and P0155 codes

    2002 Sahara manual, ~142000 miles, no codes reported Last week when I pulled into a parking spot the issue started - my idle would drop to the point of almost stalling. The issues persisted and I diagnosed as best I could finding that the low idle only occurred at a complete stop but if I...
  15. Echo5

    Warbling noise 2002 Sahara

    So my 02 has developed a, as best I can describe, warbling noise. This noise goes away if I engage 4 Hi and returns shortly after resuming 2 Hi. I will be taking it in to my local guy (not a TJ expert) so it helps if I can point him to possible causes. I am guessing something either loosened...
  16. Echo5

    Check gauges light came on

    Thanks guys! I'll keep an eye on it and see if codes get thrown if it happens again. I just wanted to make sure this wasn't a "oh, that's a sure sign your whatchamacallit is about to nuke itself" situation.
  17. Echo5

    Check gauges light came on

    So I had to make a short trip (~7 miles on-way) and about 1/3 of the trip I hear the alert tone sound. My immediate thought was that my fuel level wasn't that low but when my eyes dropped to the dash I saw the Check Gages light illuminated. In 20 plus years of driving I have never seen this...
  18. Echo5

    OEM Mopar locking gas cap?

    If you have a JK that may be ok
  19. Echo5

    California What to do with this dealer

    I fully understand that, I didn’t just fall off the turnip truck.
  20. Echo5

    California What to do with this dealer

    Any update on this? I’m curious as I have seen dealers screw customers with the “you signed the contract, it’s too late to change anything” line.