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Old 08-02-2010, 04:14 PM   #1
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Default rough idle and black smoke

Hey everyone. Great Forum. Lots of useful info.
Can I get some input. 05 sprinter 140 high top 150,000 miles. Sudden rough idle and then noticed black smoke on acceleration. Took it to diesel shop and they said it was a bad injector. they replaced it but still have the same problem. I used a pocketscan plus tool and it came up with 4 codes. P0671, P0672, P0673 and P0380. It seems these all have to do with glow plugs. I am going to order a DAD unit but till it gets here, any ideas as to where I should be looking? Could it just be a bad tank of diesel fuel? Thanks, JR
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Old 01-24-2012, 11:03 PM   #2
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Default Re: rough idle and black smoke

Hi, I am having the same problem with my 2005 sprinter. Rough idle and black smoke. sometimes I can smell diesel fuel while I am driving. I had the injectors checked and they are all fine. I changed fuel filter and air filter but I am still having same problem. Can anyone help?
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Old 01-25-2012, 04:15 AM   #3
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Default Re: rough idle and black smoke

check the MAF.
Note: the $50 replacement MAF on Ebay allows the van to run, but not really well. I tried one, was getting smoke when gunning it in park. Cleaned the old OEM MAF and put it back on, no smoke.
Former owner of Surly Mobile:
2003 140shc 2500 passenger model, now owner of Transit T250 148MR 3.7
mobile design office, cargo hauler, family shuttle, action adventure base
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