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Showing Visitor Messages 1 to 10 of 183
  1. cruiser54
    04-18-2017 10:05 PM - permalink
    cruiser54
    Nah. You're good to go.
  2. redrooster
    04-17-2017 12:08 PM - permalink
    redrooster
    Thanks - I have a backup O2 sensor (Mopar).
    Since I have the exhaust manifold off now, any real benefit by having it ceramic coated, inside and out, or getting rid of those left over beads from the factory weld job? Mostly to prevent rust and smooth out the flow through it? Thanks Cruiser54.
  3. cruiser54
    04-13-2017 09:06 AM - permalink
    cruiser54
    2 different tests

    D2. Pin 8 for ground. Pin 4 for battery power. Key ON

    D1. Pin 5 for battery power and use any good ground in the engine bay for the negative lead. Key OFF.
  4. etnaskynet
    04-12-2017 03:52 AM - permalink
    etnaskynet
    Hello Cruiser.

    I put a new alternator on my XJ 4.0 1989 (Renix).

    But, when I connect the RenixCom.exe software the value of battery voltage is:
    3.7V (Key On, Engine OFF)
    4.6V (Engine On).

    Seems that there is about 10V of voltage drop.

    Could be the ECU bad internally?
    Concerning the D2 diagnostic connector, which of ground pin should I use?

    - Sensor Ground
    or
    - Ground

    Regards,
    Lucio.
  5. cruiser54
    04-08-2017 08:48 AM - permalink
    cruiser54
    I would say you are good to go.

    Ever replace your oxygen sensor? Use NGK only.
  6. redrooster
    04-06-2017 09:59 PM - permalink
    redrooster
    Hey Cruiser54 - long time since I've been here. I am about to replace the exhaust manifold on my '88 jeep xj. I found an NOS/OEM Mopar manifold AND original new gasket for 160.00. I was wondering if there is anything I might change out when the shop does the work. I know they have to take the intake manifold off. Ideas that don't go what I call "too far"? (that would be like upgrading the manifold to headers or getting a newer intake manifold) thanks for everything in the past and look forward to hearing if you have some ideas. THanks.

    BTW - the exhaust has a crack and it's getting louder.
  7. cvaughan99
    01-31-2017 03:06 PM - permalink
    cvaughan99
    I finally did c101 delete still no luck new o2 sensor and map as well even though they tested good I hate throwing parts at stuff lol makes me feel like a ****ty mechanic but I'm out of knowledge here. I got my sensor ground down to .3 ohms pulled pcm apart and no evidence of any burning or heat there I'm looking at possible ignition control module issues now is there a way to test the icm ? My cps is new, drilled and putting out .4 AC volts and the power and ground to icm are good
  8. cruiser54
    01-23-2017 10:15 PM - permalink
    cruiser54
    Have you performed tip 6?
    Sometimes eliminating the C101 is necessary.
  9. cvaughan99
    01-22-2017 05:32 PM - permalink
    cvaughan99
    Hi cruiser I have an idle miss I cant find 86 XJ 4.0 swapped w std just put new head (comp was 130-140 before) cam & lifters timing & ckp senor notched upp hole wires have been replaced from pcm to sens new injectors (neon ev6 4 Pintle) new plugs wires cap rotor cleaned & tweaked all conn except pcm did not delete c101 cleaned & tweaked I did delete the tps wires fromc101 I have checked all the sensors per your writeup is on 3rd tps no change iac is good/clean did sensor ground mod did lower resistance still misses chkd dist position fuel press is 39 lb flow rate is good egr is del block off plate & plug in mani vac lines have been replaced only has map fp Reg 1 to v-cover & 1 to junction for 4x and hvac int vac is 14 hg int gask is new and was lightly siliconed at int ports no cracks in int
    Q
    There is still 1.3 ohms resistance from tps to batt neg is this ok and if not how do I reduce it
    Should I increase the gauge of the single ground from the sensors at the mod point to the pcm
  10. cruiser54
    01-18-2017 06:44 PM - permalink
    cruiser54
    I don't trust the previous owner. Verify everything your self.

    90 and 93 have almost a negligible power difference.

    Glad you enjoy the website!!

About Me

  • About cruiser54
    Gender
    Male
  • My Cherokee
    Year
    1990
    Model
    Comanche
    Engine
    4.0
    Transmission
    AW4
    Transfer Case
    NP 231
    Front Axle
    Dana 30
    Rear Axle
    Dana 44
    Tires
    235
  • General
    Location
    Prescott, Az
  • Signature
    Cruiser's Mostly Renix Tips can be found at www.cruiser54.com.


    A link to my Jeep Technical Photos:
    https://www.cherokeeforum.com/g/album/1725214

    VAGUE descriptions will yield VAGUE results

    Refresh*Connections*Before*Replacing*Components

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  • Last Activity: Yesterday 11:24 PM
  • Join Date: 08-07-2011
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