1999 BUICK PARK AVENUE
20,000 MILES
Avatar
ANONYMOUS
  • MEMBER
  • 1 POST
How do i fix PO171 (System too Lean)?
Oct 20, 2012 at 9:08 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement