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10-10-2012, 01:34 PM
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#1
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Junior Member
Join Date: Aug 2002
Location: Colo Spgs, CO
Posts: 9
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Diesel Fuel in Mexico
Tow 5th wheel with a 09 Chevy DuraMax, headed down the Baja in January. Concerned that the low sulphur diesel fuel will clog the DPF and put the engine in the limp mode. Does this happen or should I just not worry? Anyone have experience with this issue would appreciate hearing from you
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10-16-2012, 11:34 AM
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#2
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Senior Member
Join Date: Jul 2011
Posts: 1,144
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There are many fuel additives you can use. The problem is that the low Sulphur reduces the lubricity of the fuel. Your injection pump will suffer because the lubrication of the internal parts is reduced. Stanadyne and others make additives to counteract this. Some people use 2-cycle oil as an additive also.
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2004 Tiffin Allegro 27.5 ft. P32 18,000 lb. GVW. 8.1 liter. Workhorse chassis built May 2002. 35,500 miles. 2012 Jeep Liberty Toad. RVi2 brake unit.
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10-16-2012, 11:43 AM
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#3
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Registered User
Excel Owners Club Retired Fire Service RVer's
Join Date: Nov 2010
Location: Farmington NM
Posts: 1,822
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Your using low sulfur 15 ppm fuel in the states aleardy. Is it lower in Mexico?
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10-16-2012, 12:02 PM
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#4
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Junior Member
Join Date: Aug 2002
Location: Colo Spgs, CO
Posts: 9
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low sulfur diesel fuel
Ultra Low Sulfur diesel is 15 PPM, Mexico only has Low Sulfur diesel which is 500 PPM.
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10-16-2012, 12:29 PM
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#5
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Senior Member
Join Date: Aug 2011
Posts: 1,546
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2017 F350 Lariat Diesel Dually, White, Hitch Kit.
2013 Dutchman Voltage 3200 Epic II 5th wheel.
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10-16-2012, 12:46 PM
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#6
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by Full.Monte
There are many fuel additives you can use. The problem is that the low Sulphur reduces the lubricity of the fuel. Your injection pump will suffer because the lubrication of the internal parts is reduced. Stanadyne and others make additives to counteract this. Some people use 2-cycle oil as an additive also.
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The Mexican fuel has MORE sulfur in it than the US fuel does so it's better for lubricity.
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2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
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10-16-2012, 01:06 PM
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#7
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Senior Member
Join Date: Aug 2011
Posts: 1,546
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Quote:
Originally Posted by Mr_D
The Mexican fuel has MORE sulfur in it than the US fuel does so it's better for lubricity.
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But worse on the emissions system designed for ULSD.
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2017 F350 Lariat Diesel Dually, White, Hitch Kit.
2013 Dutchman Voltage 3200 Epic II 5th wheel.
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10-16-2012, 01:07 PM
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#8
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Junior Member
Join Date: Aug 2002
Location: Colo Spgs, CO
Posts: 9
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Diesel in Mexico
Yes the higher the sulfur the better the lubricity,. My problem is the DPF on my DuraMax which tends to get clogged because of the sulfur content which makes it go thru a regen process which lowers my MPG. Yes, I can remove my DPF buy a tunner and void my warranty & maybe not pass the Colorado emissions test I must undergo in 2014. Looks like additives will be my best bet.
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10-17-2012, 06:22 PM
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#9
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Senior Member
Join Date: Apr 2012
Posts: 368
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Check the diesel forums like the duramax one and you will find information on modifying the truck to handle the higher sulfur fuels in Mexico. GM and others export vehicles out of the country and this is not an uncommon concern. You will need to undo the modifications upon your return to pass the emission controls, have warranty coverage, and keep our air as clean as possible. I would want to find an experienced diesel mechanic to do the work at both ends.
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05-27-2017, 01:59 AM
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#10
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Senior Member
Join Date: Oct 2015
Posts: 230
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correct: 1/ sulphur will enhance lubrication, but increase emissions. 2/ the emissions increase will clog your DPF quicker, causing more regens and thus increased fuel and def consumption [and possibly dirty the motor oil quicker].
per PEMEX, all diesel stations in Mexico will be selling ULSD by 31 Dec 2018. I would expect the stations to be mostly along the main highways and cities, not in the villages.
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05-27-2017, 06:52 AM
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#11
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Senior Member
Join Date: Aug 2002
Location: Where ever I park it
Posts: 1,345
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Just an FYI, sulphur itself is not a lubricant. In the refining process when sulphur is removed some of the lubricity is removed. Adding 2% bio-diesel makes up for the loss.
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2005 Dodge Ram Four Door Dually Southern Comfort Conversion
2017 Forest River 365RK
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05-27-2017, 08:27 AM
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#12
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Senior Member
Join Date: Dec 2012
Location: Oregon
Posts: 6,621
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Delete your truck. Dump the DPf and get a tuner. Just run the stock tune and you'll get better MPGs and can run any diesel.
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05-31-2017, 07:23 AM
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#13
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Junior Member
Join Date: Apr 2017
Posts: 1
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Mexican Diesel
We drive our Ford F250 in Mexico for months at a time and this time when we came back to the USA we had problems related to clogged fuel filters. Make sure to change the fuel filters when you return to the USA.
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