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Old 06-24-2024, 11:35 AM   #1
Winnebago Camper
Join Date: Jun 2016
Location: Vermont
Posts: 18
2004 Journey with turbo actuator issue

Hello all,
I have a 2004 Journey, 2003 chassis, with 5.9 Cummins. It is seeming like my turbo ACTUATOR is faulty or out of calibration. I'm having a heck of a time deciphering exactly what kind I have. Dealing with Cummins as I'm writing this. Seems the 2 numbers they gave me are very different in pictures of after market parts shops. The 2 numbers he gave were supposed to just be the same thing only one was a 'kit' that came with bolts and gasket. But..the main part, again, looks totally different on different sites offering it.
It's very expensive. I need to know exactly! Now what I'm thinking of is having this one removed and actually seeing the unit. And..another thought is that I can perhaps CLEAN this old one if the problem is dirt and build up. RV has only 75k on it.
My question here is mostly for any info on the actuator itself, where, exactly it is located on my engine (serial # 57097743) and how difficult it will be to remove myself. (I'm sure it will be in through "under the bed" area!)
When Check Engine light came on, I stopped at Petro in VA and they used a JPRO diagnostic system that pinpointed the actuator as failing or mis calibrated., failing to respond. I'm also hoping that that $200 test was good enough even though it wasn't exactly the Cummins unit.
Soooo, any input on any of these things will be appreciated, mi amigos, ...especially the part of if I should attempt this myself!
Thanks, and travel safe,
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Old 06-24-2024, 01:29 PM   #2
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Sorry to see so little info coming around. Pretty much Greek to me, though!

Any chance you might get better, more experienced group on a diesel forum? There are diesel folks here but getting down and dirty may not be top of the line here?
Why no RV year, make and floorplan on MY signature as we suggest for others?
I currently DO NOT have one!
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Old 06-24-2024, 06:44 PM   #3
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Richard is right. There are a few DIY repair folks here that work on their diesel motors... but not a lot. Most leave these things to the trained service techs.

Try the Freightliner Forum over on Here's a link:
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Old 06-25-2024, 07:13 AM   #4
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Join Date: Jun 2016
Location: Vermont
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Thanks for your replies. Yes, probably wise to let a shop handle it. Wish I had one that had time AND expertise!
I'll try re posting in diesel forums.
Thanks, again, enjoy the day!
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Old 06-30-2024, 06:13 PM   #5
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We had an "Injection actuation pressure sensor voltage high" code 10 years ago.
And wound up driving 400 miles in limp mode to find a shop that had the "time" to look at it.
Ours is a Cat 3126e on a Freightliner chassis but the point is.. it was a Kenworth dealer that said sure bring it in.
They looked at it and told us to bring it in the next day and they will have the part.
Camped overnight and went in the next day. They fixed it in an hour, worked great the part was $160 and labor was $215, not gonna mention the tip.

My point is you don't have to look to the engine/frame mfgr for help.
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Old 06-30-2024, 07:13 PM   #6
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Been around diesels for more years than I care to admit but, I can't say I've heard of a turbo "actuator". About 99.99999% of turbos are automatically spun up by exhaust gases and the higher the rpms, the more power the turbo produces. Now, I have heard of and pretty much know what a turbo WASTE GATE is which, when a turbo spins up and actually produces more power than is supposed to be supplied, the waste gate opens and bleeds off extra turbo air. But, a turbo actuator, nope, not sure I've heard the term before. Just wondering.
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Old 07-02-2024, 01:25 PM   #7
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turbo actuator

Well, won't that be wonderful if, indeed, it turns out to just be a sensor!
Hope so.
And, Fire Up, I guess yes, what even Cummins is calling an "actuator", is a "wastegate"...or does what the wastegate does.
Thanks for all the answers and advice. I have appointment with a shop July 22.
Fingers crossed
Best, Dawn
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Old 07-05-2024, 08:39 AM   #8
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Yes I have a 05 journey with Cummins 5.9. I had to replace the turbo and the actuator as well. I ended up getting a rebuilt one from an outfit in Quebec. Was about $2500 cad plus the core back in 2019.
Wish had part numbers for you but I donít.
Was not bad to change though. Removal of the air filter was enough to get me access to it from under the chassis with rear leveling jacks fully extended.
Good luck.
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Old 07-06-2024, 05:21 AM   #9
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Thank you, Quadder,
I was wondering about that air filter housing being the thing that blocks access. I am bringing her to a shop and I'll ask them to do that. Better than them going in and out of the house. Probably better for them too!
Cummins hunted the part and told me there was but one in the Tennessee. But other online places had them too. I'm assuming this shop knows places, but I'll mention Canadian outlets to them as well.
Thanks, everyone, for replies. I'll keep posting with the outcome once it gets into the shop.
Safe travels, Dawn
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Old 07-09-2024, 01:11 PM   #10
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Hi Bajasoon, I too have a 2004 Winnebago journey on a 2003 freightliner XC chassis with a 5.9 Cummins I had an issue with no torque or boost until I got up to about 30 mph and a code that stated the actuator needed calibration The actuator was unable to calibrate the turbo as it was frozen up. It is a variable geometry turbo (VGT) Which is controlled by an actuator that opens and closes a slide ring to regulate boost pressure. The turbo was a Holset HE341VE #4089945 RX. And the actuator # 4031337. I purchased the turbo from TURBOCHARGERSDIRECT as a complete unit to avoid having to take it to a shop and have it calibrated the one I received was plug and play.. I finished my installation yesterday and took it for a drive and the difference is night and day. Hope you find this information helpful and good luck with your repair.
04 Winnebago Journey 32T
FL chassis
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Old 07-10-2024, 10:01 AM   #11
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Join Date: Jun 2016
Location: Vermont
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Thank you, Jim, for those numbers and info.! They do match what Cummins was telling me. Apparently you can get just the Actuator, but I'll see what the shop says. Who might just be a sensor. But, I'm Irish, so probably the turbo. :-(
I can't get in in the shop till the 22nd, and luckily I'm parked home for the summer. (I take it out of Vermont snow and cold for the winter).
I'm curious how it will act on the way to the shop. Last mountain coming up here to home I was in 1st gear! It'll be mostly downhill and flat to the shop.
Thanks, again, and I'll post on here what it was and how it went!
Safe travels and good summer to all,
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