LWB Sprinter - Engine issues!

Dafydd

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Aug 15, 2012
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Location
Merthyr Tydfil
Website
www.harpfunerals.co.uk
Your Mercedes
LWB Sprinter Year 2000
I have a long wheel base sprinter van 311 year 2000. Owned for the last 2 - 3 years and it's been great, until recently.

For some unknown reason the van will only rev to 3,500 rpm when stationary or when being driven. And when driven, will struggle to make it up to a decent speed. Only yesterday was I stuck in 2nd gear going up a slight hill for just over a mile at 3,500rpm and 3rd gear was no good as the van would not pull!

Very frustration on times! However if the van is knocked off and then restarted, 9 times out of 10 it seems to be ok again (or at least until next time) or some times it requires switching off and on several time before it will rev again.

Any ideas??

Many Thanks
 

MechPhil

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Feb 8, 2012
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Location
Brandfort, South Africa
Your Mercedes
'87 260E
I'm not sure if these have a flap in the intake, but if it does, I'd bet next month's pay on the flap. My experience with that type of problem on MB diesels is not really great, but we've had easily twenty Toyota's with that exact problem (though the engine electronics warning lamp on the dash lights up as well), but it has turned out to be the flap in all of these cases.

In tha case of the Toyota's, a good cleanup of the gear mechanism between the flap and the servo motor cures is (85% of the time), but in the case of your van, there's a thread somewhere on here that has a step by step guide to remove the flap with no ill effects.

Phil
 

RonnieH

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Dec 23, 2013
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Gloucester
Your Mercedes
Sprinter 313cdi
Could also be the engine management system.I have had this problem a few times over the years and the symptoms you describe match what happened to my Sprinter.

If its not what Phil suggested,then get a Merc dealer to check it out via their laptop.Any problem(s) will show up.The engine management cuts in and limits the amount of revs to protect the engine,but, also allows you to continue at a virtual snails pace so that you can get home Could be one of many,many causes.
 
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stumo

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Sep 4, 2008
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Location
VIC, Australia
Your Mercedes
ML270CDI x3 2002,03,04 | Sprinter 316CDI 2003 LWB
That sprinter doesn't have flaps, or egr, or maf, or cats. So its not the usual suspects.

It is going into limp mode. So there will be codes stored telling you exactly what's causing it. A common issue is the turbo actuator sticking. Or a boost leak. Take your pick, or get the codes read on star.
 
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rich599

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Feb 22, 2007
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223
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Location
huddersfield
Website
www.doodes.co.uk
Your Mercedes
w204/sprinter/vw t5 autosleeper/david brown 880/david brown 950
That sprinter doesn't have flaps, or egr, or maf, or cats. So its not the usual suspects.

It is going into limp mode. So there will be codes stored telling you exactly what's causing it. A common issue is the turbo actuator sticking. Or a boost leak. Take your pick, or get the codes read on star.

I dont know how you get sprinters to run over there in aus without maf but they certainly have them here in the uk,if you check on ebay plenty people selling them on there for sprinters,the last tme mine went into limp mode it was the maf,but rather than changing things much easier to get it pluged into star then you know what the problem is without guessing
 

stumo

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Messages
431
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Location
VIC, Australia
Your Mercedes
ML270CDI x3 2002,03,04 | Sprinter 316CDI 2003 LWB
Our oz sprinters run just fine without a maf. They don't have egr, so there is no need for a maf sensor to tell if the egr is working or not. Even on later euro2/3/4 MB diesels, the maf is only there to check egr, and to impose a hard smoke limit during transients. Its not used in diesel engine control other than that, unlike in petrol engines.
 


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