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#1
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2003 Yukon XL P0455 Evap Emission Control System Leak
I have a 2003 Yukon XL with the 5.3L engine. My check engine light came on. Checked codes and I have the following code: P0455 Evap Emission Control System Leak (Large). Any suggested culprits out there? Just looking for suggestions on what to check first, rather than the entire Evap system.
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#2
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Re: 2003 Yukon XL P0455 Evap Emission Control System Leak
Never mind. Checked the obvious....Gas Cap was loose. Cleared code and code hasn't returned.
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