Lex gs430 Posted August 11, 2012 Share Posted August 11, 2012 I have an 01 Lexus gs 430 with 167k which is in excellent condition. Dealer maintained vehicle and I started noticing that my car would loose power randomly upon acceleration but it's not the transmission and the check engine light is not on. It sort of feels like a hump feeling (pulling back) almost like I was hitting the brakes. Quote Link to comment Share on other sites More sharing options...
silverbullitt Posted August 31, 2012 Share Posted August 31, 2012 Sounds like your catylactic converter getting clogged Quote Link to comment Share on other sites More sharing options...
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