What is your question?
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What is your question?
I scan the engine light on my dash code was p0404 looked it up said EGR
What makes this problem better or worse?
the rpm goes up and down at a stop
How long has your 2006 Lexus GS300 had this problem?
few weeks already
1 Reply
I don't see P0404 available as an option for a GS300 according to shop manual information. Is this a 2006 Lexus GS300 you are asking about? P0404 indicates a problem with the EGR reading. Diagnostic testing is required to find out what is going on. I'm just not sure that it applies to a 2006 Lexus GS300.