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Yamae Yamae is offline

Lexus Test Driver

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Showing Visitor Messages 1 to 6 of 6
  1. DeZyn243
    04-12-15 08:58 PM
    I have my fuel pressure tester connected and I jumper wired Fp at the DLC and I got nothing at the fuel pump. No sound and no pressure applied to the fuel pressure tester gauge.
    Can u let me know how u say i can test the pressure w/o the car running.
  2. DeZyn243
    04-11-15 02:19 PM
    Hey how's it going?
    I have a thread started in regards to bad ECU's for a 92 LS400 and a few people have told me that u wuld be the one to answer my questions.
    So, sensei!
    Can u please offer me some assistance?
    The link to my thread is below.
    But just for a quick rundown, My car is not starting due to lack of fuel.
    I have followed Mitchell's diagnostic steps and I have gotten to the point where I am doing a ECU power circuit test.
    The original including the two that I have purchased are all out of specs.
    When I turn the key on all lights on the dash illuminate except for the check engine light.
    I'm not sure where to go from here.
    Please help.
    Thks in advance
  3. Dockof-bay
    12-20-14 09:32 AM
    Greetings from Cailfornia Yamae,

    Can i ask a quick ?. My car is a 2005 LS430 ML Package/ 65000mi. All maintenance done. Cleaned MAF/ Throttle body injected service. Problem: After the engine warms up, and i pull to a stop the rpm drops to around 400rpm, and sometimes shakes a little bit. Battery and alternator just tested fine except with load on alt. it dropped to 13.4.
    Could it be the alternator is starting to go out, but not bad enough to let the battery die?

    Thanks for your help,
  4. MattLS400
    01-11-14 09:52 AM
    All the best for the New Year Yamae. Your consideration would be greatly appreciated in reference to posts #111 and #113 of the following thread
  5. mmicozzi
    12-25-13 10:22 PM
    I was attempting to do a ripple test on my 1997 LS400. Your thread said to measure voltage between OP1 and E1. My diagnostic port does not have a wire at the OP1 position. Do you have an alternate.
  6. Eds98LS
    11-18-12 03:11 PM
    Thanks for the reply! Would a dealer be the only company that could confirm it is the ECU if I could not myself.

About Me

  • About Yamae
    Lexus Car
    Celsior UCF21
    Year of your Lexus


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  • Last Activity: Today 05:12 AM
  • Join Date: 08-27-11


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