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Old 09-30-2018, 05:06 PM   #51
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Default Re: Green diesel any one?

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Originally Posted by CaptnALinTiverton View Post
Taking the conversation back down to the van level, as I sit here on Saturday night listening to cars and trucks racing all night, it is evident that most of them don't give a rats arse about their fuel, tire and wear and tear expense as well as the environment. That's just the way it has become.

AL
Uh, don't get too righteous. I would offer that none of our Sprinters have much redeeming value over a race car...

Love the nuclear discussion though. I've more than a passing curiosity in them...
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Old 10-01-2018, 09:26 PM   #52
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Default Re: Green diesel any one?

Interesting and lively dialogue here, for sure. I'm going to take a bit of a tangent back to the original topic to share my experiences with the GDE tune for those who might be interested in doing it:

- I bought the tune almost three years ago with 72K on the Westy

- I've driven about 50K miles since installing the tune

- Purpose for the purchase was to reduce risk of EGR problems, reduce soot (added longevity), increased efficiency, and reduce possibility of SKREEM issues

- Original tune files provided had a revise shift map. I found this to shift too soon and did not like the feeling of lugging the engine. Upon conversation with GDE, they provided replacement tune files that returned the original shift map. The result was the feeling of the original Westy with an added boost of power when needed

- Since the tune, the Westy seems to maintain highway speeds (~65 MPH) more easily and with less strain

- MPG has increased between 1-2 mpg based on my records. Whereas I used to average mid 16's-18, I now typically average high 17's to 20. This excludes the times we tow a trailer.

- I have an Ultra Gauge and watch stats while driving. I downshift when the load goes above the low 70s. I watch temps and they are never a problem. The hottest I've seen is around 205 F on some long steep passes. I do not push it hard up hills, always keeping in mind that the Westy is a super heavy vehicle pulled by a little 5 cylinder diesel engine.

- I use a cetane boosting "cocktail" that sometimes varies depending on what I run out of. I don't know how much it works, but it does seem to result in more quiet operation on the highway, so I presume it is doing something. I also try to stick to higher cetane diesel brands.

- Apparently there are versions of the OM647 diesel in our Westies in other areas in the world (New Zealand?) that were sold without EGR, so that may be some sort of endorsement

At the end of the day, I am satisfied with the upgrade. I would venture to guess that longevity is probably not going to change much with/without the tune, as it has more to do with the way it is driven/maintained than anything else. There are stock T1N Sprinters out there with over a million miles on them.

Would I purchase the GDE tune again? Probably, as I do like the added power and MPG, the added simplicity by eliminating the complexity of two systems, and I am comfortable with my calculation (so far) that the risk of resulting problems is lower than the risk of problems with the EGR and SKREEM.
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Old 10-01-2018, 09:38 PM   #53
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Default Re: Green diesel any one?

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even yours is run sub optimally.
No argument there, last I read a 8-billion annual money pit.
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Old 11-20-2019, 11:28 PM   #54
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Default Re: Green diesel any one?

California Update Compliance Thread. (Note: Also, issues with working with T21 Recall.)

https://sprinter-source.com/forum/sh...ad.php?t=81148
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Old 12-28-2019, 08:14 AM   #55
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Default Re: Green diesel any one?

I had a MAF Plausibility code (P0100-128) on my Autel. Ihave no issues with the way the van runs. The code comes on after driving for a bit. No dash light comes on. I cleaned the MAF and it did not help.

I bought a cheap MAF on Amazon just as a test. Intead, now I get a consistent P1043-1 Exhaust Gas Recirculation valve positioner signals. I have read that this error can be the EGR valve and it can also be faulty wire connections. The EGR seems to be a bit sticky when it is wide open. If a sticky EGR valve is the issue I suppose the GDE tune could be installed without replacing the valve?

I was just on the GDE site and the price of a tune is $595.
Does the $100 rebate for referencing the Sprinter Forum apply to bring it to less than $500 before shipping?

Last edited by Sophia2002; 12-28-2019 at 08:30 AM.
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Old 12-28-2019, 03:18 PM   #56
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Default Re: Green diesel any one?

A new egr is < $300. We took ours out, cleaned it, and works fine again with no codes. Worth a shot. Only replaced the gasket.
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Old 12-28-2019, 04:07 PM   #57
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Default Re: Green diesel any one?

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Originally Posted by Kiltym View Post
A new egr is < $300. We took ours out, cleaned it, and works fine again with no codes. Worth a shot. Only replaced the gasket.
Thanks Kiltym,

On a 2002 model I see them for just over $500. I cleaned mine but at the end of travel the follower bearing seems to fit tight in the slot and jamb up a little. I may try a temporary stop by wraping a piece of wire at the end of the slot. Or maybe it has a weak return spring.

If this eliminates the error I may order the GDE tune. Most all my driving will be highway and I believe the EGR is closed anyways while on cruise at highways speeds. I would opt for the Eco tune as I have little in my 140" Low roof model. Just a queen size bed and 32" TV. I will likely add 400 to 500 lbs. of camping gear but already have half of it in there and it drives fine. I put Airtabs on it to look like a real dork and have 50 psi in the tires. Wish I had air suspension in the seats.

Last edited by Sophia2002; 12-28-2019 at 04:11 PM.
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Old 12-28-2019, 04:40 PM   #58
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Default Re: Green diesel any one?

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Originally Posted by Sophia2002 View Post

If this eliminates the error I may order the GDE tune.
I thought I read on here that GDE had ceased trading, and all their tunes show as 'SOLD OUT' on their website!
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Old 12-28-2019, 04:58 PM   #59
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Default Re: Green diesel any one?

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I thought I read on here that GDE had ceased trading, and all their tunes show as 'SOLD OUT' on their website!
Just as I was starting to think it was a possible solution. I do see that it says sold out. I sent an email but it does not sound like I will get a reply.

Last edited by Sophia2002; 12-28-2019 at 05:18 PM.
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Old 12-28-2019, 05:20 PM   #60
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Default Re: Green diesel any one?

Here you go...

https://sprinter-source.com/forum/sh...postcount=1456
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