What is your question?
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What is your question?
Check engine light stays on (within hours of purchasing 😣😖😤😡🤬
What makes this problem better or worse?
Nothing
How long has your 2004 Toyota Avalon had this problem?
Since owning car, 2015
Not exactly diy repair friendly! P1693 TOYOTA Possible Causes : Faulty Oil Control Valve (OCV) Oil Control Valve (OCV) harness is open or shorted Oil Control Valve (OCV) circuit poor electrical connection Faulty Engine Control Module (ECM) Professional *hands-on* diagnostic testing required. Good luck! 🍀