2009 Honda Civic Fuel System Runs Lean Cause

2009 HONDA CIVIC
62,000 MILES
Avatar
ANONYMOUS
  • MEMBER
  • 1 POST
fuel system runs lean. what is cause
Dec 17, 2012 at 9:50 PM
Advertisement
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
It could be several things. The most common problem is a vacuum leak which allows unmetered into the engine.
Dec 18, 2012 at 2:05 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
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.