1998 Chevy Blazer P0440 Evaporative Emission Control System

1998 CHEVROLET BLAZER
123,000 MILES • 6 CYL • 4WD • AUTOMATIC
Avatar
VDKACE
  • MEMBER
  • 2 POSTS
light came on i scaned it p0440 came up again. 2 yrs ago i put new fuel tank in with new fuel pump ran all new fuel lines. about a month ago light came on when i scaned it it came up for egr system. the muffler was shot so i replaced it light went back off by itself. now the light is on again with a fermilar code p0440.whats next to check its not the fuel cap its brand new as well. is it common for the evap canister to go bad or shoult i spend the money to have the system foged?
Nov 30, 2008 at 8:52 PM
Advertisement
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Hi:
If you want my recommendation, have the system fogged. Otherwise, you will drive yourself crazy trying to find the leak. Trust me, I've been there.

Joe
Dec 1, 2008 at 9:04 PM
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.