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  1. Likely water ingress causing EFI relay tick

    Basic Help & Repair
    Hey everyone, I have a problem I've been trying to solve since the first day it rained this spring. So here's the list of issues. 02 is300 auto, 200k miles, almost all stock. -EFI Relay clicking when key is out of ignition (theres also an identical clicking under the car, unsure what that is...
  2. Dont know where this plug goes

    General Discussion
    Hello! New to the forums and very new to owning an is300. So information about the car: I recently was given a 2003 is300 and I love the car but there have been somethings that Ive needed to either replace or fix due to the previous owners poor maintenance. which have been a little frustrating...