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  1. K

    2003 Liberty w/ V6, Power steering hose?

    What Jeepster said..... The sensor/switch has nothing to do with the 4WD. It's there to send a signal to the PCM when the wheel is turned to raise RPM to compensate for the load the pump puts on the engine. Regarding the hose, just get one at Autozone with a lifetime warranty. Even something...
  2. K

    Help Please -Coil pack Thread/Nut size

    Can you pull a bolt from one of the other coil packs and measure it?
  3. K

    Random Misfire 2007 Liberty

    I'm assuming you didn't have a throttle issue when the other PCM was in there. The '07s were the first year to use the ETCs. Just a stab in the dark here, but your replacement PCM may have come out of a vehicle prior to that year which didn't have that feature.
  4. K

    Random Misfire 2007 Liberty

    Did you get a replacement PCM for it? It seems odd the transistor drivers for 2 separate coils could go bad at the same time.
  5. K

    2003 jeep liberty

    Are you sure the EVAP issue is what's causing the lagging and misfiring? You mentioned earlier you were getting codes for "spark plugs and coils," but what were those codes exactly? An EVAP problem could cause a vacuum leak which can make the engine run as you described, but I don't know if you...
  6. K

    Battling an intermittent P0420.

    Get yourself a scan tool with ability to read live data/mode 6. That will help give you a better picture of how things are looking, including the injectors.
  7. K

    Poxy parking brake

    Do you have drum or disc in the back?
  8. K

    p0172 and p0175

    Upstream O2 sensors are generally tested via propane enrichment to see how they respond. Viewing their voltage switching behavior on a graph tends to not be very conclusive, at least in my experience. Next time you look for a vac leak, try keeping an eye on the fuel trim values on your scan...
  9. K

    Random Misfire 2007 Liberty

    Post some live data PIDs and make sure to include short and long fuel trim. Does your scanner have mode 6? Also, what brand (upstream) oxygen sensors did you use? Don't drive the car with the CEL flashing, unless you don't mind burning up the cat converters.
  10. K

    2005 Jeep Liberty 3.7 4x4 throwing multiple codes

    The p0420/430 codes mean your catalytic converters are no longer cleaning up the exhaust at the level they're expected to. An exhaust leak somewhere after the upstream O2 but before the cat converter itself can supposedly cause this code, too, but since you have this code on both banks, that's...
  11. K

    p0172 and p0175

    Misfires are more likely to happen from a lean condition as opposed to a rich one. Anyway, just because the PCM thinks things are rich, that may not be what's actually happening. What brand upstream O2 sensors did you use? NTKs are the only ones that should be in there. You said you know the...
  12. K

    Battling an intermittent P0420.

    Cat converters don't typically fail on their own. If you just replace them w/o knowing why they died then you're likely going to have to do the same thing again in short order. It is for this reason that most converter manufacturers will not warranty out their units until they've had a chance...
  13. K

    Whats this part?

    Looks like the road crews where you live like using salt a little too much.
  14. K

    Not Jeep But is Chrysler... Overcooling

    Sounds like you're splitting hairs here. Not seeing a real problem in what you presented. Also, as already stated here, the electric rad/condenser fan (on KJ's anyway) is meant to always be on when the selector is in the defrost setting.
  15. K

    Small leak detected code

    "Small leak detected" code sounds EVAP-related, not exhaust. What code are you getting exactly?
  16. K

    Programming Key FOB (2006) Liberty

    A locksmith local to you might be able to do the programming cheaper than a dealer would.
  17. K

    Engine Coolant Questions

    I would completely flush out what's in there and add in coolant of your choice. That way there's no guessing. I personally use cheap, old fashioned green in my KJ. A complete flush means draining what's in there (via removing lower rad hose) refilling with distilled, driving vehicle, then...
  18. K

    Programming Key FOB (2006) Liberty

    If you already have 2 working keys, you should be able to. Otherwise no.
  19. K

    Little to no heat

    Did you replace the thermostat? If not, most on the forum here recommend using an OEM replacement.
  20. K

    Diagnostic Scan Tool for 2002 KJ

    Unfortunately, you're not going to find a non-factory scan tool that does all things for all makes and models. This pretty much is the case no matter how "enhanced" the unit claims to be and how much it ultimately costs you. The more advanced things you want it to do, the more chances you'll...

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