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About dabNebula

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  • Lexus Model
    RX 300
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  1. yes! O2 sensor, new plugs all around, cleaned the intake.. Found that when I took off one of the gaskets, the other one wasn't there! ordered the two gaskets for each throttle body, and it's been fine since!
  2. Update: All spark plugs have been replaced. swapped coils from 1,3,5 to 2,4,6. Replaced A/F B1S1 Still getting the A/F sensor CEL and Misfires only on 1,3,5 side. I found that the Throttle Body's may need a gasket replacement, because spraying carb cleaner at it is effecting the idle, so those are next to be replaced. I am now thinking of checking fuel to the injectors, injectors themselves, fuel filter... Any other suggestions? If anyone knows the specific voltages and/or anything else that could help, please let me know! Thanks
  3. So in the attached image you can see the list of dtcs I have on a 2000 rx 300 AWD I have tested coils and replaced spark plugs on 2-4-6, all should be in perfect shape. I have tested unplugging the coils I could easily access with the entire intake assembled, which seemed to not affect the idle, leading me to believe that perhaps those spark plugs in the back are no good. I am going to head back out now to work on getting to and replacing the 1-3-5 spark plugs, if I can manage. 1. With the intake and throttle body(s?) removed, is it worth any attempt t
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