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  #31  
Old 07-11-2008, 10:02 PM
C Sean Watts's Avatar
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Just curious but,

Quote:
Originally Posted by austinmc View Post
I'm pretty sure that my 2008 CDI read that the emissions were off while using some virgin B100, so the check engine light went on (no problem), but about 500 miles later it started going into "Limp Home Mode." Is there anyway to disconnect that sensor so I continue to use biodiesel without fear of knocking down to 40 mph on the freeway?
Did you, by chance, get your B100 from a 'home brewer' or a company called Lovecraft?
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  #32  
Old 07-11-2008, 11:38 PM
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kudos to ILUVMILS, well said.
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  #33  
Old 07-12-2008, 12:04 AM
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Wow saving a couple hundred bucks on fuel in a $60k car. Now I recomend a nice tube of KY so your MB dealer will slide in nice and smooth as you bend over for the repair bill, and voided warranty.



Make sure to bring the big tube, and your check book, or Amex. That Amex is going to scream when they run it through!
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Last edited by Hatterasguy; 07-12-2008 at 12:14 AM.
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  #34  
Old 07-12-2008, 02:03 PM
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Quote:
Originally Posted by ILUVMILS View Post
Yeah, this is good advice. Take the low-road. Greasybenz, do you think all MB dealers are complete idiots? If this vehicle showed up at my dealership, I’d spot the B.S. in two seconds. If the client tried to jerk me around, and waste my very valuable time (I should be helping clients with legitimate problems), I certainly wouldn’t appreciate it. On the other hand, if a client told me the truth (and didn’t waste my time), and asked if I could do anything to help, I wouldn’t think twice. I’d do whatever I could to help. Your approach would probably end up back-firing.
For the most part YES! Service advisors, shop foremans, and the mechanics are idiots and so easy to put together. You should see how i put them together when i need warranty repairs done on my C32 that i know ARE NOT covered under warranty. I know the car business like the back of my hand, i know how to pull one over on someone and f*ck them so hard they wont even know what hit them. I remember at SF benz the shop foreman came to me and said "Ruben, god damn it you pulled one over on me you know that right?" I said, "yes i know" And i had gotten a new exhaust system at their cost!

Dealers make enough money as it is, they can take a hit on one car
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  #35  
Old 07-12-2008, 08:07 PM
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Quote:
Originally Posted by greasybenz View Post
......I know the car business like the back of my hand, i know how to pull one over on someone and f*ck them so hard they wont even know what hit them.....
Congratulations greasy Benz, you’re a truly gifted person.




Quote:
Originally Posted by greasybenz View Post
.......I remember at SF benz the shop foreman came to me and said "Ruben, god damn it you pulled one over on me you know that right?".......
Believe me, he was humoring you. You're giving yourself way too much credit.

At most MB dealers, when questions arise, the Shop Foreman is responsible for determining whether or not a particular repair is covered under warranty, or not. In most cases, the dealer will side with the client, unless the cost of the repair is very high.

Since you know the car business "like the back of your hand", you know that the Shop Foreman must sign off on warranty repairs, and is accountable in the event of an audit by MBUSA. There's no way in the world that the Shop Foreman in SF would have approved a repair that he knew would land him in hot water. If you think otherwise, think again.
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  #36  
Old 07-12-2008, 09:48 PM
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No buddy im not giving myself too much credit, i know i am the BEST plain and simple.

Otherwise i wouldnt be making the money im making nor would i be bragging about it so much as i am. I dont care if you dont believe me, what difference does it make to me?
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  #37  
Old 07-12-2008, 09:54 PM
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If you are the BEST the shop foreman wouldnt be coming to you, you would be the foreman. Plain and simple.
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  #38  
Old 07-12-2008, 09:57 PM
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The whisper speaks louder than the shout, he who brags about much acheives little.
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  #39  
Old 07-12-2008, 11:37 PM
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Limp mode means the car isn't going into closed loop. I'd check to see if the ECT sensor is bad first. And MILs light when a car exceeds 1.5 times the EPA allowed threshold for a particular controlled emission. I would read the DTCs and determine what the problem is before jumping to the conclusion that bio is the problem. You might not have a fuel system issue at all. Since B100 causes fewer emissions I don't think a MIL would light due to an emission problem.

If you're worried go to Auto Zone and get them to read the DTCs.

Also, the Magnuson Moss Warranty Act of 1975 limits a manufacturer's warranty to parts and workmanship. Therefore, burning B100 can not by law void your warranty. If you burn dirty bio and it causes a problem then the manufacturer could refuse to honor the warranty related to repairing a problem caused by burning that fuel. Burning dirty ULSD carries the same risk. If ULSD causes a fuel system problem then the manufacturer can refuse also. There is no more risk burning bio than ULSD.

And I'm burning B100 in an 08 Jeep CRD with no problems to date. I've had my oil analysed and my engine is perfect. I'm getting better mileage with bio too. So I guess it all depends on how competent you are when you make and use B100.
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  #40  
Old 07-12-2008, 11:49 PM
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Quote:
Originally Posted by greasybenz View Post
No buddy im not giving myself too much credit, i know i am the BEST plain and simple.

Otherwise i wouldnt be making the money im making nor would i be bragging about it so much as i am. I dont care if you dont believe me, what difference does it make to me?
What a jackass!!! When a person feels like they have to brag about themselves it is somewhat akin to Little Man's syndrome. I don't know if you're short of stature, but you are certainly short of character. {if not devoid totally}

**apologies to the decent forum members, and certainly to the original poster of this thread for a massive hijack. But the thread rooted out a real worm and I just couldn't keep my mouth shut. Imagine that.....**
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Last edited by JimmyL; 07-12-2008 at 11:56 PM.
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  #41  
Old 07-13-2008, 12:32 AM
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Quote:
Originally Posted by Section106 View Post
Since B100 causes fewer emissions I don't think a MIL would light due to an emission problem.

If ULSD causes a fuel system problem then the manufacturer can refuse also. There is no more risk burning bio than ULSD.
My under which is standing (understanding) is that OBD I is that way. OBDII is more intrusive from the standpoint that even if everything is in the right ratio at the end, if it gets more of a certain thing that it expects to see, it will trip the light fantastic. So if you put a supercharger in the car and manage to get the fuel ration to be right from the 02 sensor, it will still trip the light fantastic because the MAF reads more air than it was told it would see. Someone correct me if I made a mistake

Yes but you can go back to the fuel retailer for redress if it comes to that. OTOH, if you made your own bio and it hosed the fuel system, who do you go to when the manufacturer says "You used more than B5. Fuel systems are your problem."?
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  #42  
Old 07-13-2008, 12:42 AM
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Quote:
Originally Posted by greasybenz View Post
No buddy im not giving myself too much credit, i know i am the BEST plain and simple.

Otherwise i wouldnt be making the money im making nor would i be bragging about it so much as i am. I dont care if you dont believe me, what difference does it make to me?

It is best to keep your mouth shut and be presumed ignorant than to open it and remove all doubt. Mark Twain

Greasy, please feel free to refer to this quote in the future.
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  #43  
Old 07-13-2008, 01:11 AM
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Quote:
Originally Posted by aklim View Post
My under which is standing (understanding) is that OBD I is that way. OBDII is more intrusive from the standpoint that even if everything is in the right ratio at the end, if it gets more of a certain thing that it expects to see, it will trip the light fantastic. So if you put a supercharger in the car and manage to get the fuel ration to be right from the 02 sensor, it will still trip the light fantastic because the MAF reads more air than it was told it would see. Someone correct me if I made a mistake

Yes but you can go back to the fuel retailer for redress if it comes to that. OTOH, if you made your own bio and it hosed the fuel system, who do you go to when the manufacturer says "You used more than B5. Fuel systems are your problem."?
The only purpose of OBDII is the control of emissions. Once the engine reaches operating temperature the PCM will recognize the O2 sensor and then adjust the air/fuel mixture accordingly (Heated O2 sensors reach operating temperature more quickly). The PCM does this by either adjusting injector pulse width or fuel rail pressure. The MAF sensor reading increased air flow wouldn't illuminate a MIL. The PCM would simply use that input to help decide how to adjust the air/fuel ratio.

If I burn bad fuel and it kills my fuel system then it's my fault and the bill is mine. However, I make good fuel in a BioPro190 which is tested before I put it in my fuel tank. I'm confident there will be no problems.
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  #44  
Old 07-13-2008, 01:20 AM
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Quote:
Originally Posted by Section106 View Post
The only purpose of OBDII is the control of emissions. Once the engine reaches operating temperature the PCM will recognize the O2 sensor and then adjust the air/fuel mixture accordingly (Heated O2 sensors reach operating temperature more quickly). The PCM does this by either adjusting injector pulse width or fuel rail pressure. The MAF sensor reading increased air flow wouldn't illuminate a MIL. The PCM would simply use that input to help decide how to adjust the air/fuel ratio.

If I burn bad fuel and it kills my fuel system then it's my fault and the bill is mine. However, I make good fuel in a BioPro190 which is tested before I put it in my fuel tank. I'm confident there will be no problems.
So what is the difference betwen OBDI and OBDII? According to THIS,

OBD 1 and OBD 2 are similar in that both systems checked sensor and actuator circuits for opens shorts and out of range values.

However, the failure limits for OBD one are far more forgiving, since a circuit or component must fail completely before the check engine light is illuminated or a diagnostic trouble code is stored.

In contrast obd2 use a series of monitors or diagnostic tests that conduct performance evaluations on an emission components.
OBD 2 sensors and subsystems

If a monitored circuit fails to meet minimum performance standards even though the circuit may still be operating. The power train control module will illuminate the check engine light and store a diagnostic trouble code to aid in the mechanics diagnosis.
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  #45  
Old 07-13-2008, 01:23 AM
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In the CRD/CDI type motors can you still use Diesel #1?
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