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Old 10-13-2012, 09:20 PM   #1
heymax
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2006 Envoy light issue

A few weeks ago, my gas cap light came on and before I could safely stop it went out. I still tightened it but it seems loose. I have ordered a new one but in the mean time my check engine light came on and is giving the PO449 code. Can a loose cap really cause other systems to start screwing up. The old cap just doesn't snap like it used too. I've seen stranger things.
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Old 10-14-2012, 05:27 AM   #2
maxwedge
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Re: 2006 Envoy light issue

Just vacationed in Wells, at the Haven By the Sea B and B, great spot!! More than likely it is not the cap, that code usually points to the evap solenoid components, do a site search for that code.
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