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  1. ikuo78

    Squeak sound after rebuild

    It's about 1/2 cycle of the motor rotation speed. Is it a rocker arm?
  2. ikuo78

    Codigos p0430 y p0420

    Google Translate says the following, but I don't know Spanish, so I don't know if it's correct or not. I have a 2011 Jeep Liberty Sport and I installed new catalysts and oxygen sensors and the codes p0430 and p0420 continue to appear. How can I solve that problem? What if something else can...
  3. ikuo78

    2010 KK po175 and cyl2 misfire

    The correction value is quite rich in fuel, so look for the sensor that is guiding that correction value. Check whether the output and resistance of each sensor are within the specified values. It looks like you replaced most of the relevant sensors. There are 4 O2 sensors, so there may be...
  4. ikuo78

    What did you do to your jeep today?

    I spent the last part of my summer vacation at a lake at an altitude of 1600m. A monkey stole my bread, but it was a very comfortable temperature around 15-23℃. In the end, the struts could not be replaced. . .
  5. ikuo78

    2003 Jeep Grand Cherokee O/D question

    Is your O/D working? Or maybe the light bulb is out?
  6. ikuo78

    Transfer slowly binding

    I use oil that is compatible with mechanical LSD. After replacing it in the spring, it will start chattering lightly a year later. Add additives at that point. That way it will barely last two years. Since it is weak in summer, it has a seasonal replacement cycle. There seems to be a big...
  7. ikuo78

    Transfer slowly binding

    That's certainly true. Hard oil + friction modifier are best. Please leave a review to see if the new clutch pack is working well.
  8. ikuo78

    Transfer slowly binding

    Mine was also vibrating and making a sound that sounded like a stone in an empty can. I could also hear a sound that sounded like the transfer chain was shaking, so it must have been shaking a lot. Additives aren't bad either. I also had some improvement with it at first. I'm sure somewhere on...
  9. ikuo78

    O2 Fault Codes

    The service manual continues. This appears to be an uncommon control since both sensors are upstream of the main catalyst. >> Downstream Sensors - 3.7L Engine: Two downstream sensors are used (1/2 and 2/2). The downstream sensors are used to determine the correct airfuel ratio. As the oxygen...
  10. ikuo78

    O2 Fault Codes

    Isn't the downstream sensor also included in the air-fuel ratio adjustment loop? Below is an excerpt from the service manual. >> Two upstream sensors are used (1/1 and 2/1). The 1/1 sensor is the first sensor to receive exhaust gases from the #1 cylinder. They provide an input voltage to the...
  11. ikuo78

    Transfer slowly binding

    Does your rear differential have Trac-Lok? If so, I recommend a hard differential oil of about 75W-140 for limited slip differentials. I use mineral oil, which Sunday Racer will ruin in a day, but it lasts for a year. In Japan, I can buy 2 liters for about $30. Single grade Toyota genuine...
  12. ikuo78

    O2 Fault Codes

    O2 sensor failure is common, not just in Jeeps. I'm always grateful for sensors that work hard in harsh environments. If you suspect the air-fuel ratio adjustment system including the O2 sensor, Advanced scanners can be used to read air/fuel ratio corrections to determine how well your system...
  13. ikuo78

    What did you do to your jeep today?

    Thank you. I'm surprised it's a standard color! I looked it up and was surprised to find that there are 20 colors. Yellow is also nice.
  14. ikuo78

    What did you do to your jeep today?

    I went on a two-day trip to a beach 200km away. Recently in Japan, we often see FJs and Land Cruisers repainted in clay colors. There are only 4 days left until summer vacation, but about half of my schedule is empty, so if I'm not too drunk I should be able to replace the struts.
  15. ikuo78

    Calibrate Speedo AGAIN AFTER I Regear?

    To be more specific. The speed sensor reads the rotational speed of the tone ring next to the ring gear, so it is affected by tire size. The tone ring rotates at the same speed as the axle. Even if you change the ring gear, the tone ring usually does not change. What changes when re-gearing is...
  16. ikuo78

    CATACLEAN product. Does it work to clean your cats? Or will it kill them.

    It's okay to run in that condition to see what happens. Be careful not to burn the connector. Unplugging is a fault diagnosis method, so If you have a new sensor, it might be better to focus on replacing it. If you cannot remove it, you may be able to remove it by heating it with a heat gun or...
  17. ikuo78

    Transmission Dies After 1st Gear

    Is there an error code of P07**?
  18. ikuo78

    CATACLEAN product. Does it work to clean your cats? Or will it kill them.

    You may notice a change if you unplug the O2 sensor connector to prevent the faulty O2 sensor from sending incorrect commands to the ECU. If there is no change, suspect the injector and its control harness.
  19. ikuo78

    Possible broken top mount on new lift? Please help

    You're lucky it didn't fall apart during assembly. The Monroe (Tenneco) mounting plate I recently bought had one washer, one isolator, and four nuts. The studs were 10.8 grade which was a bit disappointing. The rod nut came with the Monroe shock. The shock came with assembly instructions, but...
  20. ikuo78

    CATACLEAN product. Does it work to clean your cats? Or will it kill them.

    I think the normal catalyst failure process is as follows. ・The O2 sensor is damaged. ・The air-fuel ratio is out of order. ・Soot increases. ・The catalyst is clogged. So did you replace the O2 sensor? Even if you clean the catalyst with soot coming out, it will not last long.

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