When i bought this truck my dealer told me not to run red fuel because it would void the warrenty. According to him the red fuel will stain the inside of the pump so if any warrenty work is needed on the truck and the powers that be see this gross disrespect for the law, my 100,000 warrenty is null and void. The duramax owners manual states that a high sulfer fuel maycause emmision trouble. It say nothing about fuel system issues. The good folks over at GM customer service were about as much help as a quadrapaligic life guard. I called my local fuel distributer and he said and I quote '' they are the same fuels just differant colors all fuels are now low sulfer". So I guess my questions are will red fuel cause problems in this truck? Has my dealer mistook his rectum for his mouth? Are there photo eyes or IRS gremlins installed in the fuel system causing a shut down? I carry 130 gallons of red fuel on the back of this beast,and I feel like adam and eve with the forbbidin fruit. Any clarification in this matter would be appreciated.

Read up on your Magnusen-Moss Warranty Act. They'd have to prove that the fuel caused whatever problem you were asking them to fix.

Besides, I'm sure there are lots of these diesels running around mines/airports/ and other private property where they run tax exempt fuel.

Yeah Im sure there are guys out there running red. I was kind of hoping for a little insight from a been there done that, or a guy with a closet full of goodwrench shirts. There so much debate on this it could become a campaine topic for the next election.

Homer - there is a bulliten about this....I think it has been posted here before....
Try a search to read the whole thing, but the long and short of it stated that teh dyed fuel would not cause an issue, IIRC

Red diesel is just diesel for sale with out tax. No special formulation. Will not void warranty from what i read on this forum. Same thing you get at the pump just a different color.

Red Diesel Fuel Being Used in Vehicles Equipped with GM 6.5L or 6.6L Diesel Engine - hard miss pump stall start #PI00641A - (Aug 12, 2003)
Red Diesel Fuel Being Used in Vehicles Equipped with a GM 6.5L or 6.6L Diesel Engine


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When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

Condition/Concern:



GM Dealer notices red diesel fuel being used in vehicles equipped with a GM 6.5L or 6.6L Diesel engine.

Recommendation/Instructions:



Engineering reports that red Diesel fuel will not cause any problems when used in the fuel system of our vehicles equipped with the GM 6.5L or 6.6L Diesel engine, and will not cause sensor codes to set. Accordingly, warranty decisions should not be based on the discovery of red fuel in the fuel system or injection pump of a GM 6.5L or 6.6L Diesel engine.


Federal regulations require certain diesel fuels be colored with dye for tax purposes. Diesel fuel injection pumps have been tested with various dyed fuels and have been found to operate satisfactorily with such fuels. Water or other fuel contamination is not covered under the Stanadyne and Bosch warranty regardless of whether the fuel is dyed or not. A change is being made to the service policies and procedures manual, section 4.6.6 to reflect this information. With regards to legality if a customer requests to know what fuel is legal for them to use, refer them to their local government agency for handling. Please refer all inquiries to this document.


Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.

Models:



(94, 95, 96, 97, 98, 99 CHEVROLET C/K TRUCK) and ( 94, 95, 96, 97, 98, 99 CHEVROLET SUBURBAN) and (94, 95, 96, 97, 98, 99 CHEVROLET TAHOE) and (94, 95, 96, 97, 98, 99, 00, 01, 02, 03 CHEVROLET EXPRESS) and (94, 95, 96, 97, 98, 99 GMC YUKON) and ( 94, 95, 96, 97, 98, 99 GMC C/K TRUCK) and (94, 95, 96, 97, 98, 99, 00, 01, 02, 03 GMC SAVANA) and (94, 95, 96, 97, 98, 99 CHEVROLET/GMC P32/42) and (00, 01, 02, 03 CHEVROLET/GMC C/K 2500/3500 SERIES)

How many of you guys have run red dye in something and then run a tank of clear or two? Try it, then dip your own tank, and report back to me on how much it has stained your fuel system. You'll be surprised. It's amazing how many sheep there are out there who will believe anything.

Red fuel will only cause you trouble with the gov. GM dont care.

sounds like everyone has agreed so far

I tried a little red, man she got hot fast...

In AZ, they are periodically setting up road blocks on the Interstate and making ALL diesel vehicles get tested for RED fuel. RED fuel is normally agriculture based, with little or no tax on it. They don't want you to run it on the road, as the tax on the GREEN fuel is what helps pay for road improvements. I know this first hand, as my brother was forced to stop and get tested when he was pulling my toybox recently.

Here in Missouri, the tax guys will check the tanks of Diesels for Red Dye in the parking lots of County Fairs.

Need not to be present to get tested.:eek:
Free of charge.):h
Don't get caught.:Nonono:

wow, they should do away with the road tax in my city then. hmmmm

taxes and death, what next? Divorce lawyers

Iv run red fuel or "farm diesel" in Both my previous LB7 and my current LLY with absolutly no problems since i bought them, but i Have farm plates so i dont get in sh#t for it.;)

The fines, penalties, dot, icc, irs, state police, local police, and a basic all aound castration by any other revanue officials dosent really bother me. I heard and seen guys get there tanks dipped, and again not scared. The only thing that concerns me is feeding this truck off road fuel and having it shut down. I mean dont get me wrong here I really appreciate the info Im getting , but it all leads back to one thing the law. Not disrespecting it either, or maybee I am, and really dont care either way. I just want to make sure the truck wont bleed to death.

I work for the pipeline industry, and can tell you first hand that the "Red" fuel is the garbage can where all extra product is thrown. If we have some extra 74 grade (Diesel) 54 grade (Jet fuel), or 58 grade (K1 Kerosene), it all gets thrown into the 86 grade (Fuel oil) tank. Problem is, the kerosenes have a lower flashpoint (as low as 100 degrees F.). 74 grade (road diesel) has a flashpoint between 130 to 200 degrees F. The 86 grade comes up the pipeline from Texas with a light red tint already in it. When we pump it out to the suppliers, we inject more dye. The dye is petroleum based and will not harm your engine. If you run 86 grade with a lower flashpoint than 130 degrees, your engine will run excessively hot and have a loss of power... that would be a problem! It's a roll of the dice... unless you have access to flash testing equipment, I wouldn't risk ruining your $40K+ machine! If you have 86 grade that flashes 130 degrees plus, you are good to go! Keep an eye on the filters... lots of trash in 86 grade (Red) fuel.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

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Yes I'm relatively new here. I've been a "Gasser" all my life and I'm finally going Diesel! Ordered my new '05 GMC CC D/A Thursday. Waiting for confirmation<?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /><v:shapetype id=_x0000_t75 stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600"> :( <v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:connecttype="rect" gradientshapeok="t" o:extrusionok="f"></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype>. Hope I don't get stuck with an '06! Glad I could finally contribute to this valuable site.<o:p></o:p>

Diesel Day Dreamin

"Yes I'm relatively new here. I've been a "Gasser" all my life and I'm finally going Diesel! Ordered my new '05 GMC CC D/A Thursday. Waiting for confirmation . Hope I don't get stuck with an '06! Glad I could finally contribute to this valuable site."

What don't you like about an 06?

I live in the People's Republic of Maryland, and rumor is that our state may start "Emissions Testing" the 2006 and up model years. I put up with that BS with my gassers now, and I don't want to get stuck doing with my new Diesel Truck! That's the only reason behind wanting an '05. Right now the oil industry is trying to figure out how to ship this ULSD (Ultra Low Sulfur Diesel) starting in 2007. If you think diesel is exspen$ive now... just wait a couple of years! We will all be trying to run the red stuff!

We call it purple in Canada. I have a friend that has run it in his Duramax for over 100,000 miles with no problem. It is legal to burn purple fuel in farm trucks here. The same laws apply to purple gas. I have worked on quite a few vehicles that have run purple gas all their lives. It certainly does stain the carbs, etc but it doesn't do any harm.

The end distributor dies the fuel here. It is the same product until it gets died. That how it is done here anyways.

I don't believe that the red fuel is the trash can of the fuel business. I have run it with out any problems. I wouldn't want to be the one who tells the farmer who just paid 250k for a combine that his farm diesel is garbage and will cause him warranty problems. Just clear diesel with a dye to identify it to the tax man.

I tried a little red, man she got hot fast...No ... no ... no ... Bob you are getting confused with the TV you bought down on the other side of the tracks.
... but it was hot before you plugged it in!

either that or you've been hanging out with the campfire girls again! ):h

Red fuel (over 500 ppm sulfur count) will only plug up the catalytic converters of the newer diesel engines. Pull off the converter and you should have no problems.

According to the California Vehicle Code the only penalty for getting caught using Red Dye Tax exempt fuel is a fine. $10.00 per gallon.

THIS IS THE GODS HONEST TRUTH! Last wed. the 9 my buddy calls in low key histarics and says the IRS is dipping his tank. No big deal right, wrong! He was parked in front of his house in a new subdivision in a semi rural area and this agent walks up to him procceds to inform him of his intentions. He was legal which was good, so I asked him to ask the agent what the fine would be. The fines in Ill are as follows, a minimum of a $1000.00 or $100.00 a gallon, which means that if you have a 30 gallon tank you pay 1000. If you have a 200 gal. tank you pay 2000. Now heres the kicker, the agent asked my buddy before hand if he had any red fuel in his tank and asked him to reply honestly. Afterwards my buddy asked what would have happened if he would have lied and the agent said the fines are based on wheather he lied or told the truth. Now before the threads start flying this is what the agent told my friend, oh yeah the truck was also parked on the street which gave him the right to check. So in closing, STILL AND WILL RUN RED!

Guys, THE MAN does not have the right to stick your tanks, unless he has at least reasonable suspicion and more like "probable cause". A law violation is a law violation, and I've been doing this sh!t for more than 20 years. You've got to be able to articulate suspicion before you collect evidence. The constitution did'nt just go away because we bought diesel pick-ups!

I've seen "red" cases tried and lost because the tax agents had no probable cause to stick a tank at random.

A locking gas cap goes along way!
Doug

The red dye will stain your tail pipe... They see that, and then there's "Probable Cause".