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12-02-2010, 04:24 PM
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#1 (permalink) |
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Diesel Enthusiast
Join Date: Oct 2009
Posts: 24
iTrader Score: 0 reviews
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DEF quality poor
Driving along today and got a mesage that said DEF quality poor / see operators manual now. Looked it up and it said 200 miles truck goes to 55 mph and at 500 miles it goes to limp home.
Called my dealer and they said bring it in. 2600 miles DEF filled by dealer 1100 miles ago. Outside temp in mid 40's. Before I got to the dealer the light went out and mesage went away. It stayed on for around 70 miles and the truck was started 2 times during this time. |
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12-02-2010, 05:06 PM
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#2 (permalink) |
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Diesel Laureate
Join Date: Sep 2003
Location: Manitoba, Canada
Posts: 15,249
iTrader Score: 3 reviews
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Where do you buy your DEF? If you buy anything other then GM DEF I bet they will drain the tank, but GM DEF in and hand you a bill.
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2011 GMC 2500HD Denali CCSB, DVD, Nav, Sunroof etc..... Mods to come 2011 F250 Lariat 6.7L - Sold 2009 GMC Crew Cab, Short Box SLT LMM - Sold 04.5 GMC 2500HD LLY Carbon Metallic - Sold 2003 GMC 2500HD LB7 White - Sold |
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12-02-2010, 05:37 PM
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#4 (permalink) | |
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Diesel Technician
Join Date: Sep 2004
Location: Phoenix Arizona
Posts: 237
iTrader Score: 0 reviews
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Quote:
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Old Ride: 2001 Silverado SLT 3500 4X4 CC DA, Banks exhaust, Edge Juice, K&N filter,J&J Millenium Stainless Steel running boards. New Ride: 2011 Silverado LTX 3500 Big Dually 4X4 CC DA |
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12-02-2010, 05:56 PM
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#6 (permalink) | |
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Diesel Technician
Join Date: Dec 2003
Location: Georgetown, TX
Posts: 207
iTrader Score: 0 reviews
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 What does filling the tank have to do with Def quality? Quote:
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AKA Hackjaw(Thanks to Hooty)2011 GMC SLT LML 4x4 CC S/B D/A White |
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12-02-2010, 06:50 PM
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#7 (permalink) |
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Diesel Specialist
Join Date: Feb 2007
Location: Charlottesville, Va
Posts: 555
iTrader Score: 0 reviews
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Filling the def tank
Where do you live?, cold climate? could have been partially frozen.? Maybe had some trash in it?
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2011 GMC 2500HD LML SLT - Stock Sold: '06 crew cab, LBZ, SLT, AD II, Chrome H2's, 285 BFG's, MBRP 4" turbo back, auto meter guages,Cognito UCA's and 5100's, Big Dipper Stage IV, EFI by IdahoRob |
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12-02-2010, 07:19 PM
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#8 (permalink) |
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Diesel Technician
Join Date: Nov 2010
Location: Corona California
Posts: 347
iTrader Score: 0 reviews
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once again read he said he has not added any DEF only the dealer has added DEF but it sounds like maybe some froze or something i get my def from o'rielys and i buy peak blue-def and i have never had a problem with the light coming on and its only like $4 for 1.5gal
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2011 2500HD LT, white on black, Longbed crew cab Z71, Fatbobsgarage.com leveling keys,Cognito UCA's, prototype Gibson DPF back exhaust, Banks cold air intake, Eagle alloy 079 18x9 with a zero offset & 35/12.50-R18. 2010 Tahoe LT, white on black, ground force 1.5 / 2.5 drop kit, Crome bowtie's 2006 FSC3200 weekend warrior toy hauler. 2000 Unlimited RPM's mid travel turbo rotary sand car. |
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12-03-2010, 11:21 AM
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#9 (permalink) |
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Diesel Fanatic
Join Date: Aug 2007
Location: Cunningham, KS
Posts: 51
iTrader Score: 0 reviews
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I had the same message come up at about 2500 miles. I called my dealer and he said it was probably due to the temperature change and condensation building up in the lines where the sensor is. I had not added any DEF since I had purchased the pickup, so he said to add a 2.5 gal jug to be safe and see what it does. I added the DEF and the message stayed up for the next two times I started the pickup that day, but went away after that. I've never had any trouble with it since, and I'm at 6,000 miles.
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2011 GMC Denali 2500HD Crew Cab Short Box LML White 2007.5 GMC 2500HD Crew Cab Short Box LMM Stealth Gray SLT Rhino Liner, B&W Hitch, GM 6" round running boards |
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12-03-2010, 03:31 PM
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#10 (permalink) |
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Diesel Enthusiast
Join Date: Oct 2009
Posts: 24
iTrader Score: 0 reviews
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All is good for now. It has not come back on.
Problem is what happens on a long trip. Mine went off in about 80 miles, UKNOWME8 had his go off after the next 2 key starts. 200 miles is not long enough to get back home and carry it to the dealer. It will leave us stranded on the side of the road. Thank You EPA for this BS |
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