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Old 02-01-2015, 03:55 PM   #1
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JAYCO SENECA DEF - how often do you add this?

i have been searching around for an answer to this question. I want to know how often DEF needs to be added to the newer senecas.

Contemplating a newer mh and want to figure out what the cost will be for the DEF. Thanks

Cheryl and Jeff: Thelma, Louise, Barkley and Ringo (RIP) Duke
2009 Itasca Navion 24A
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Old 02-01-2015, 05:18 PM   #2
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All diesels should use about 2.5 gallons for every 800 or so miles. Our F550 motorhome used about 5 gallons total this year, pretty cheap stuff. Amazon delivers it or autozone.

2014 Thor 33sw Fourwinds, built twice.

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Old 02-03-2015, 06:20 PM   #3
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Location: Cedar Rapids, Iowa
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We have a 2013 Seneca and filled the def twice. That's 5 fairly local camping trips and one drive from Florida to Iowa
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