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Mark Ryder
New member
Username: Mark_ryder

Post Number: 5
Registered: 01-2007
Posted on Thursday, June 09, 2011 - 03:24 pm:   Edit Post Delete Post

We are having problems with oil & fuel mixing in 3 our of chevy durmax buses 1 bus is a 2007 with 97,000 miles, 2 are 2009 1 with 53,000 miles, the other is approx the same, i had one of them @ at a GM dealer, 1st time they just changed the oil, then it occured again got a sample of oil & had it tested at a lab,confimed the fuel & oil mixing, has any else had this happen to their durmax's please help thanks Mark CCTD Carlisle

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