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Mercedes R350 2012 bluetec high idle after Dpf,egr delete

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Old 10-21-2017 | 01:29 PM
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Manny adames's Avatar
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mercedes R350 Bluetec
Mercedes R350 2012 bluetec high idle after Dpf,egr delete

My car idles at 780rpm after deleting egr and Dpf, any ideas how to adjust rpm back to normal, also I noticed increased in diesel consumption after having the car tuned.
Old 10-27-2017 | 09:16 AM
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chsu74's Avatar
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GL 320, 993TT, BMW 550XI
How do you egr and dpf delete a bluetec? This is the first I have heard this.
Old 10-27-2017 | 11:19 AM
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Originally Posted by Manny adames
My car idles at 780rpm after deleting egr and Dpf, any ideas how to adjust rpm back to normal, also I noticed increased in diesel consumption after having the car tuned.
I sure hope you retained all the components that have been removed from your Bluetec.

The reason is that when trade in time comes the dealer will insist all that stuff be installed and operational....federal law.
Old 12-11-2019 | 11:32 AM
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artim808's Avatar
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2012 S350 Bluetec 4MATIC; 2011 ML350; 2005 C230k;
Originally Posted by Manny adames
My car idles at 780rpm after deleting egr and Dpf, any ideas how to adjust rpm back to normal, also I noticed increased in diesel consumption after having the car tuned.
Did you figured out why you had increased idle after DPF delete? I have same issue on my car. DPF deleted and now idle is around 760 before it was 580.
Old 12-12-2019 | 04:33 AM
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2012 X6 35i Sport, 2013 ML 350 BT, 2019 4Runner TRD Pro, 2020 CRV-AWD
I suggest contacting your tuner. I did all the deletes, my idle isn't higher & my fuel consumption is slightly better than before
Old 12-12-2019 | 01:21 PM
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1922 Ford Model T / no OBD
x2 on no issue on my DPF delete and chiseling the honeycombs.
So it has to be the program.
My mpg on car with delete (white one) is lower than on the one with DPF still working, but difference is subtle and can be due driving more in the city, than freeways.

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