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Open Roads Forum  >  Class A Motorhomes

 > Cummins ISB Trouble code and power loss

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LTJourney

Southern California

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Posted: 09/22/09 10:14pm Link  |  Print  |  Notify Moderator

Hi all,

We just bought a new (to us) 2002 Journey 32DL with a Cummins 300 and Allison 6 speed ~64k miles. Mid-way home from the midwest to the west coast (1900 miles) we started to get an intermittent check engine light (CEL) upon coasting downhill (but only with the exhaust brake off and foot off the gas). Twice the rig even started spewing smoke and lost all power for a few seconds. The rest of the ride home I made sure to stay on the gas or on the exhaust brake, and the light didn't return while driving.

Now whenever I start the engine, or let the rig idle after parking it the CEL will come on and when I start driving there is very little power for a few seconds. Then the light goes out and things run normally.

Now we're home and I just installed a Silverleaf VMSpc. The code that I get for the CEL is: ENG, SID, 254, 8, Controller #1, Frequency Error. I called Cummins and they don't even list a code 254 (maybe I should have asked for code 254-8???). Does anybody have any experience with something similar, or a list of Cummins codes that may shed some light?

Thanks in advance,
Lars and Tamara

Deen

Vancouver, WA

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Posted: 09/22/09 10:20pm Link  |  Print  |  Notify Moderator

As I remember on the VMSpc (I've had mine for about 5 years now) the SID is the ID of the readout, not what is actually read. You set the VMSpc to read SID 254. I have no way of knowing if SID 254 is the correct ID for the code you're trying to read. Check the Simply Smarter website for the answer or ask on the forum there. They are pretty good about answering.

Executive

California/Arizona/South Dakota

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Posted: 09/22/09 10:28pm Link  |  Print  |  Notify Moderator

My best guess is it is related to your turbo wastegate valve solenoid....try that first. also make sure all wiring is snug and secure.....Dennis


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lee worsdell

phelpston ontario

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Posted: 09/23/09 09:04am Link  |  Print  |  Notify Moderator

we had a bolt broke on the turbo they replaced it now it goes the hell

mscamping

any place, USA

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Posted: 09/23/09 02:55pm Link  |  Print  |  Notify Moderator

If it were mind I would take it to a Cummins shop and let them put a computer on it and tell me what's wrong, if anything is.. Then have it fixed if something is wrong.. But that's just the way I like to do things..
Mike..


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Posted: 09/23/09 06:40pm Link  |  Print  |  Notify Moderator

Just a thought...you may want to check out your fuel filters...

LTJourney

Southern California

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Posted: 09/23/09 09:37pm Link  |  Print  |  Notify Moderator

Thanks all!

Being a new rig I think I'll check all the above - especially the wiring. I posted on the Silverleaf forum and was told it was an ECM error. I'll keep you posted.

Lars

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