Engine Mechanical problem
2001 Lexus IS 300 6 cyl Two Wheel Drive Automatic 120000 miles
My lexus is reading a PO171 & PO174 but does not have any symptoms, runs fine. Might this be due to putting low octane. Car has no vacum leak or exhaust leak.
have the same problem?
Thursday, February 18th, 2010 AT 10:05 PM