Never changed the oil.
I'm thinking of buying a used 2012 motorhome with 5000 miles on the Ford E450 engine that has never had the oil changed. If I purchase it I plan on getting the engine flushed & new oil added. My q...
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on gas engines that have sat for extended amount of time don't forget to change the fuel filter IMO if the gas still smells like gas run the tank to near empty and then change the fuel filter if the gas smells stale have it drained and disposed of properly and safely. also on the subject of synthetic oil I have changed over 4 gas engines and have never had any oil leaks. currently run 15k oil change with 5k filter change on my gas engine vehicles in all cases oil consumption has decrease, also run synthetic in my 6CT8.3 cummins with 10k oil and filter
