Having problems with your 2003 GMC Yukon XL ?

2003 gmc yukon xl 1500 code po449 what does this mean?

Posted / edited by AnonymousUser on : 26-02-2018

Answers :

Hi there:
The DTC P0449 fault code is one of two things 90 percent of the time... either your gas cap is not sealing or your evap vent solenoid is not sealing either.

The code means you have a large evap leak. The evap solenoid is locate near or beside it and has a electrical connector that goes to it. It is either round or square

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Repair Help & Product Troubleshooting for 2003 GMC Yukon XL

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