Diagnose shows PO171 or PO174. What is the most likely problem?
What is your question?
What is the likely problem and how expensive is the repair?
I have never used repairpal before and have no pass word for repairpal, and therefore have had difficulty submitting my question.
What makes this problem better or worse?
More often in warm weather
How long has your 2009 Lexus LS460 had this problem?
RepairPal Certified shops can diagnose and repair your 2009 Lexus LS460. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
