2005 6.6 duramax check engine
I have a 2005 GMC Duramax 6.6 while recently coming home through Virginia and West Virginia on North 77 my check engine light came on after about 3 or 4 good mountain passes. Stop for the evening the ...
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Engine temp and transmission temp were fine. I was inquiring if any one else has had this issue and what was done for future mountain driving. Not really looking for exact codes. I will check with parts store to get codes though.
