Loss of engine power
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Fedexman

Ambler, PA

#1 Oct 4, 2009
I've got 145K miles on my 2007 Sprinter and am having engine power loss trouble. Seems to not want to accelerate and feels like a governor is holding me back. The dealer says I've got a bad EGR valve, mass air flow sensor, and diesel swirl actuator. Due to the actuator being somewhere deep in the engine, they tell me the engine must be removed to get to it. Quite the expensive fix, and I wonder if anyone out there has had this type of problem or an idea on it?
Greg

United States

#2 Oct 26, 2009
Turbo Resonator
john

Holliston, MA

#3 Oct 27, 2009
i had the same problem on my 2006, found out to be a turbo sensor and the dealer didnt have mine in the garage for that long
john

Holliston, MA

#4 Oct 27, 2009
had the same problem on my 2006, was turbo rresinator was no big deals to replace
RadioDude365

United States

#5 Oct 30, 2009
Likley the turbo resonator. I have gone through 3 on my 2.7 I-5 engine. Also look to the Mass Air Flow Sensor I think our engines share. Also gone through two of those and it cut the power about 30%. I now carry a spare mass air flow sensor and replaced the turbo resonator with the machined aluminum after market job. I have 16,000 miles on my RV Sprinter, so it sees alot of higher loads than many of yours.
anon o mus

Buena Park, CA

#6 Nov 3, 2009
swirl valve acuator common problem engine doesnt need to come out turbo has to be removed to access egrs commonly go bad you have h44 recall for egr valve if has codes for all these emgine is derated bring to dealer and have fixed average joe not fixing
Mark

Draper, UT

#7 Dec 21, 2009
Work with many 07 Sprinters that have this problem. Don't let them take your engine out. We are finding out that the design for 07 Sprinter models is faulted to begin with. 145,000 miles is 55,000 miles overdue for Diesel Particulate filter service. These filters sit behind the catalytic converter and it doesn't matter really what oil or how good your fuel is, they will plug up and confuse your sensors to no end....it is a mechanical problem that can't be fixed with a machine or manual regeneration. The particulate filter actually has to be removed and blow out from both ends until air can pass through it again. We ran several vans up over 200,000 miles and replaced several sensors, resonators, and two turbochargers before the Dealer decided this process should be done every 90,000 miles. My opinion: these filters are essentially a total waste of efficiency and will only anger the consumer base as more and more problems with performance arise. It's no fun getting sent into limp mode while you're going down the highway passing a semi. Sprinter has no idea how bad this design is?
Fedexman

Havertown, PA

#8 Jan 18, 2010
Thanks for all the information from everyone. I did have to replace the Particulate Filter, as mine was too plugged up to repair. I used Mobil 1 0W-40 synthetic oil in the engine for 2 years, then realized the manual forbids this in the diesel engine. Two dealers originally told me to use this. Oops. I've used Quaker State 5W-30 for 20K miles now, and things have been much better. Has wording on the label to the effect that it is safe for particle filters. Replaced the EGR valve, at the same time, which hasn't acted up yet. I guess I will keep in mind that the Filter may need to be cleaned out, too.
sprinterwest dot com

Covina, CA

#9 Jan 21, 2010
Fedexman wrote:
I've got 145K miles on my 2007 Sprinter and am having engine power loss trouble. Seems to not want to accelerate and feels like a governor is holding me back. The dealer says I've got a bad EGR valve, mass air flow sensor, and diesel swirl actuator. Due to the actuator being somewhere deep in the engine, they tell me the engine must be removed to get to it. Quite the expensive fix, and I wonder if anyone out there has had this type of problem or an idea on it?
There is no such thing as removing the engine from the vehicle to replace the swirl valve actuator. It requires that the intake system be removed. In my experience, I would recommend that the intake manifolds be replaced, because the swirl valves are integrated and the problem is that the plastic pieces are warped or worn down and are no longer round, thus when the actuator pushes and pulls on the valves, they don't completely travel to the closed position. Get a second opinion from another Sprinter shop and ask specifically for a technician who has addressed this concern in the past.
FL_richard

United States

#10 May 7, 2010
If the turbo resonator fails - is it always limp
ode?

My 04 2500 has lost power, throws no codes but will still eventually do 80. Feels like a 30% power loss. A little black smoke out the tailpipe too.
quailbraker

East Wenatchee, WA

#11 Sep 10, 2010
I have a 2008 Sprinter that has experienced power loss three separate times now. After the vehicle sits overnight the problem goes away. Power loss appears all of the sudden while driving. While going up a hill at 60 the vehicle will slow to about 30 regardless how far you push the accelerator. No engine codes when in shop. Is this the same problem as your describing in this forum?
thanks

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Meg

Halifax, Canada

#12 Sep 11, 2010
I was having power loss problems and all I did was change the fuel filter and it was cured
quailbraker

East Wenatchee, WA

#13 Sep 12, 2010
If the turbo resonator or EGR fail while driving would the power loss appear to disappear after the vehicle sat for period of time with the engine turn off ?
thanks
Miroc

Mississauga, Canada

#14 Feb 21, 2011
Mark wrote:
Work with many 07 Sprinters that have this problem. Don't let them take your engine out. We are finding out that the design for 07 Sprinter models is faulted to begin with. 145,000 miles is 55,000 miles overdue for Diesel Particulate filter service. These filters sit behind the catalytic converter and it doesn't matter really what oil or how good your fuel is, they will plug up and confuse your sensors to no end....it is a mechanical problem that can't be fixed with a machine or manual regeneration. The particulate filter actually has to be removed and blow out from both ends until air can pass through it again. We ran several vans up over 200,000 miles and replaced several sensors, resonators, and two turbochargers before the Dealer decided this process should be done every 90,000 miles. My opinion: these filters are essentially a total waste of efficiency and will only anger the consumer base as more and more problems with performance arise. It's no fun getting sent into limp mode while you're going down the highway passing a semi. Sprinter has no idea how bad this design is?
Mercedes Benz should be ashamed of themselves for the design and reoccurring problems these things are having. I used to be a big fan of German auto mans but this 07 sprinter of mine has put a really bad taste in my mouth. I wonder if the 3.5 gas version is a better bet for reliability. Let's be realistic for the amount I save on fuel the constant headaches of expensive parts and unqualified service centers basically guessing at what sensors need replacing at the expense of my bank book. I love my sprinter but these headaches are unbearable and I will be filing for divorce from my 07 sprinter in the next coming year. Bad paint,limp home mode on a consistent basis, prices of parts u would think are made out of some type of gold. Lack of knowledgeable service centers. I truly believe if anyone is looking to buy a new van stay away from anything that has a ultra low emission diesel engine with dpf. I understand that a gm savanna or ford van are no where near in comparison to a sprinter. But I have to say they are way more reliable. I know from experience. I have a friend that owns a exhaust shop for big rigs and he told me after cleaning my dpf, to stay away from these new diesels. He basically said go back to buying a gas engine van these new diesels are terrible. I am glad I got that off my chest. Potential sprinter buyers you have been warned.
Good Guy

Corona, CA

#15 Mar 31, 2011
Guys I went through all this BS with my 2004 2500 Dodge Sprinter. Before you change any parts, please check the hose clamps to be tied. When pressure builds up, a little air leak will panic the turbo to stop functioning. Hope this will save you lots of money!!!
BangBussSprinter

Los Angeles, CA

#16 May 2, 2011
Good Guy wrote:
Guys I went through all this BS with my 2004 2500 Dodge Sprinter. Before you change any parts, please check the hose clamps to be tied. When pressure builds up, a little air leak will panic the turbo to stop functioning. Hope this will save you lots of money!!!
You know what this sounds very logical I have a 2007 doge Sprinter diesel and have encountered the limp mode thing ones so far! but last week i had a problem with the fuel pump, talked to the dealer to order a new one, they said that this maybe happens to 1 in a 1,000,000 so i have to special order the part! So one came in on thursday a week ago! but my mechanic said it was defective! so reordered another one which came in on friday! 3days ago hooked it up and the car still does not start! so Im stuck don't know what to do no warranty cause the car has 100450 miles! any one have any suggestions to what i can do????
Kurt

Woodburn, OR

#17 May 2, 2011
Plugged hose from fuel filter to tank (use compress air)and replace fuel filter.
ABE

West Palm Beach, FL

#18 Jun 9, 2011
I HAVE A 2007 2500 SPRINTER WITH THE 170 INCH WHEEL BASE. IT HAS A GAS ENGINE AND IM EXPERIENCING POWER LOSS. THE TRUCK WILL NOT GO PASS 30 MILES AN HOUR. IT WAS RUNNING FINE THEN THIS HAPPENED.
jake

Oceanside, NY

#19 Jun 16, 2011
company in Connecticut can clean and bake out the built up soot and ash in the filter. they charge 300.00 for the job. www.dpfregeneration.com 1-800-634-3010
Meg

Shelburne, Canada

#20 Aug 27, 2011
BangBussSprinter wrote:
<quoted text>
You know what this sounds very logical I have a 2007 doge Sprinter diesel and have encountered the limp mode thing ones so far! but last week i had a problem with the fuel pump, talked to the dealer to order a new one, they said that this maybe happens to 1 in a 1,000,000 so i have to special order the part! So one came in on thursday a week ago! but my mechanic said it was defective! so reordered another one which came in on friday! 3days ago hooked it up and the car still does not start! so Im stuck don't know what to do no warranty cause the car has 100450 miles! any one have any suggestions to what i can do????
I have had trouble with my 04 - the thermometer gauge clicks and moves high to low and back the power (acceleration) lags and the lights fade. It had been doing this off and on for a year and no one could figure it out- It got really bad the other the day- I took it to Steele auto shop in Halifax and their mechanic found that the wiring was resting on the exhaust system and was shorting out intermittently- He replaced the wiring and I didn't have any trouble when I drove home. Steele's Sprinter mechanic is a genius. Lots of mechanics had looked at it before and never figured it out.

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