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-   -   ineed help ! P0455 (https://chevroletforum.com/forum/general-tech-10/ineed-help-p0455-71846/)

myn2015 March 31st, 2015 2:00 AM

ineed help ! P0455
 
Helo there every body !
i have a Chevy trailblazer 2006 LT, my problem is the check engine caused by P0455 , gas cap not tight triggers check engine ! IF any one has successfully repaired the issue , please show the way ,, Thank you all ,, thanks also to the administrators,,,hope to hear great tips soon ,, take care :)

myn2015 March 31st, 2015 3:47 AM

uppppp

tech2 March 31st, 2015 7:48 AM

the evap system must seal itself to perform leak check diagnosis. if the evap vent solenoid does not close, a large leak dtc will set. check for power to the evap vent solenoid. it should have power with the key on. provide a grd for the vent solenoid. it should click when it opens and closes. if it doesn't, the solenoid is bad.

myn2015 April 1st, 2015 12:27 AM


Originally Posted by tech2 (Post 298786)
the evap system must seal itself to perform leak check diagnosis. if the evap vent solenoid does not close, a large leak dtc will set. check for power to the evap vent solenoid. it should have power with the key on. provide a grd for the vent solenoid. it should click when it opens and closes. if it doesn't, the solenoid is bad.

Thanx a milliom tech 2! this is very helpful hint ,,, any one else owns a trailblazer 2006 had this problem gas cap not tight P0455 which triggers check engine and has successfully repaired the issue , it seems like this issue is common with this model... loots of cheers again to all of you;)

myn2015 April 5th, 2015 9:10 PM

Upppppppppp
Thanx

myn2015 April 9th, 2015 1:03 PM


Originally Posted by myn2015 (Post 298832)
Thanx a milliom tech 2! this is very helpful hint ,,, any one else owns a trailblazer 2006 had this problem gas cap not tight P0455 which triggers check engine and has successfully repaired the issue , it seems like this issue is common with this model... loots of cheers again to all of you;)


Upppppp ,,, please help


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