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I hope you will accept my apology
So, I have to say that I have been completely humbled by the responses to my post requesting guidance regarding my recent issue with a blown air bag here in Houston. You all stepped up and not only gave me contact information but actually made phone calls on my behalf to the person who had the ability to get my Prevost air bag replaced without having to put the coach on a hook or pay an outrageous fee to some random mobile service person. Jay came by today and put us back together in short order and in a highly professional and very friendly manner.
So, here’s the issue. In a previous life, a guy who looks a lot like me got banned FOREVER from this forum. This guy was working through a very difficult time in his life and needed to grow up and stop blaming everyone else for problems in his own life. I would like everyone to know that the person that I (I mean he) was is very sorry for the posts that I (he) made. I am the same Bill that used the Myprevost@gmail.com address and the same guy that continues to have problems with my ’88 Country Coach DDEC I, but I am not the same person. I was banned forever and I suppose you can choose to do so again but I believe in redemption and hope the moderators do as well. I am willing to pay double the amount of dues I have paid in years past as penance for my previous indiscretions but I don’t believe I could afford any more than this!
It’s strange that it sometimes takes more than 60 years to grow up but it’s pretty clear that some of us took a bit longer than others to reach even a reasonable level of maturity.
If apologies are not enough, I completely understand and I will abide by your decision but I remain hopeful that you will see clear to allow me to remain a member and participate as a member and, hopefully, a contributor.
Thanks to all, I hope!
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20 Replies
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Apology accepted Bill, it takes a sincere person to admit to past problems and ask for a new start. The past is behind us and looking forward to the future.
Thanks……
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A man stands the tallest when he is humble. You are standing mighty tall.
Glad your bus is going again!
Davy
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Hey Bill, I don’t know a thing about the past but I do know a little about today and this is a great group of guys. There are always some horses patookies but then again, Jon has a flip phone, so there you go!
Heck I generally apologize in advance of the event just because I know it’s coming.
Tom said: Apology accepted Bill, it takes a sincere person to admit to past problems and ask for a new start. The past is behind us and looking forward to the future.
I don’t see how you can improve on that…
Harry
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Thanks everyone. Great to get back in good standing so I might see if anyone wants to start a new discussion about why my DDEC I will not properly power my engine….Sigh!
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start make sure you have clean Min 10 .6 V to your ecm.. There should be a inline fuse inside the battery compartment that holder/ connection sometimes mal functions. 12.75 volts is ideal.. below 10.6 the ecm has a stroke. Prob wire Number 439. Will check and post later. Need the last letter in your serial number..
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I would love to discuss DDEC I
Have a 1987 8v92 with DDEC I and so far so good. I have the Pro-Link scanner for it.
Start the thread and tell us what the deal is and I’ll chime in with basically nothing. LOL I have had no real issues with DDEC I yet but have countless questions.
(First Time posting here, celebrating not lurking!)
Elliot
1987 XL40 8V92 DDEC I, OTR AC, Long Range Fuel Tanks
Jeff and Lindsay
91 Marathon XL -
Long ago DDECI was orphaned by Detroit, however if the ECM should die and there is no suitable repair or replacement I believe a DDECIII ECM has been successfully used as a replacement.
I am shooting from the lip when I say that so if knowing “what if” is important an internet search might be a worthwhile exercise.
Bob is correct in that maintaining the chassis batteries and electrical system so the ECM is always operating within an acceptable range is important.
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Elliot,
If you could use your reader (or maybe you have seen this in previous use) and see what the turbo boost reads with the engine at idle. Mine reads 14# (atmospheric pressure). Also, can you tell me what your normal reading for max. turbo boost is while accelerating or going up a hill. I have lost power (torque) and no one knows why. I just had to do the Eisenhower Tunnel climb and had to disconnect the towed and make the climb in 2nd gear at about 35 and the final climb to the top in 1st gear around 20. It gets worse and worse with altitude. We got stuck in Cripple Creek, CO at about 9500 feet when the coach would not get moving on a slight hill as the engine would not spin up enough to produce any boost. Had to get in the towed and use it to push the bus to get it moving!
On flat ground, it runs great and easily cruise at 70+. In neutral the engine runs up full bore without a hiccup. Someone mentioned their newer coach had a turbo boost sensor PLUS and an atmospheric pressure sensor. Anyone know if the DDEC I should have such a thing and where it might be located?
Some also mentioned 10+ VDC to the ECM but the DDEC I trouble shooting book that I got from someone on this site years ago says the ECM should be seeing 5.4 VDC or something along those lines and that’s what I am seeing. Any guidance there would also be great.
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FulltimeBill: Your problem might be a good topic for separate thread.
Have you considered reaching out to American Fleet in Springfield, MO. They are a big Detroit Diesel shop. They might have an answer for you.
I’m also confused. I thought the 8V92 used a mechanically driven supercharger that sat between the cylinder heads. Or is that a different version and the 8V92s are all turbo-charged?
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A turbo boost reading should be zero until power (RPM’s) increase. While 14 PSI might represent atmospheric pressure, no turbo boost gauge or reading I have ever seen starts at 14. Turbo boost is always measured as an increase from atmospheric pressure.
At high altitudes expect boost to be lower than at sea level altitudes.
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Dick and Cathie,
American Fleet changed the engine a number of years back for other reasons and we were hopeful that would solve the power problem. It did not.
Jon and Di,
I agree that is should not read that way but no mechanic has thought it was an issue but no one really knows much about the DDECI.
I will start a new thread, thanks.
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FTBill,
I see in your description you are looking for a later model XL. Coloradobus just put theirs up and you could not find a better coach. It even has a new muffler. (sorry, Jim & Chris, I could not help myself.)
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Yes, I saw that. It’s likely we can’t afford it and we need to be able to get rid of this a pick up the new one at the same time as we travel on business full time and can’t leave one sitting around hoping it sells.
Looks like it would be a great coach, however.
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Wow, timing could not have been any better for Jay coming out. We expected to be here in TX for at least another 3-4 weeks. Today we get a call that the company needs us to leave on Saturday and head for Colorado Springs.
You guys really saved my butt! Thanks to all of you and a special thanks to Ray for getting out and getting us road worthy again!
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Have you been back in contact with American Fleet to address your power issues? Are they stumped too?
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