View Single Post
Old 06-06-2013, 07:36 PM   #6
mag68
Registered User
 
mag68's Avatar
 
Join Date: Oct 2010
Location: College Station, Texas
Posts: 8
Re: '07 Suburban p0455 but "no" leak

So I changed out the pressure sensor and cleared out the code. I Drove it around town for a few days and thought it was fixed. During an hour long highway drive the stupid light came back on. Anyone have any other ideas?
Just to review, so you dont have to read previous posts-
*code is 0455 (mass evap system leak)
*there is supposedly not really a leak- it passed two pressure and smoke tests
*the vapor canister vent solenoid has been replaced and relocated
*the pressure sensor on the top of the tank has been replaced

I appreciate any help
Posted via Mobile Device
Posted via Mobile Device
__________________
1976 Chevy 454 C-10 Silverado
2004 GMC Sierra 5.3L 1/2 Ton Crew Cab
1968 Camaro SS RS
mag68 is offline   Reply With Quote