What does a Lexus RX 400H intermittent Check Engine Light mean?
What is your question?
My 2008 Lexus RX 400H is having intermittent Check Engine Light on / off every other day or so. Seems to happen in the afternoons when temperature is really hot outside. In the morning, its off and seems to not be a problem. Dealership said they'd have problem finding the issue if its not on when I bring it in. Trying to decide what to do.
What makes this problem better or worse?
Seems to be better in mornings and/or engine is cold - not as hot outside
How long has your 2008 Lexus RX400h had this problem?
Just started a few weeks ago
1 Reply
Hello, I disagree with the dealership. A check engine light will most likely set a diagnostic trouble code that can be traced - even from a "memory" historical occurrence, and give some data as to where to start looking. Since it happens frequently enough, a repair shop should even be able to drive the vehicle and duplicate the concern while testing anyway. There are quite a number of things that can cause the check engine light to come on, from emissions controls, to hybrid operation, to transmission operation to engine performance issues. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops
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