2008 GMC Acadia Q&A

2008 GMC Acadia Question: Check engine light comes on. I have had it scanned and code P0455, P0449 appear

I repalced the gas cap form NAPA cleared the light but after one day, the light came back on. Any idea what to look for and where the bad components are? -
This question hasn't been answered yet.
Answer It or share it on , or Email to get an answer.