Codes of PO171 and PO174 which says System adaptive fuel to lean on Bank1 and Bank2. What does this mean and how do I fix it?
Feb 24, 2013 at 11:36 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
SATURNTECH9
AUTOMOTIVE REPAIR CONTRIBUTOR
30,869 POSTS
It means the engine is running lean or thinks its running lean.I would first check the actual fuel pressure?Then look for vacuum leaks.