S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Car goes into limp mode - error codes

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Old Aug 29, 2012 | 03:24 PM
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2020 AMG C63S Coupe, Kawasaki ZX10R
Question Car goes into limp mode - error codes

Today when I started my car the yellow engine light came up and the car goes into what I think is limp mode. No turbo is present (I think) and the transmission wont kickdown at all.

I've red out the following error codes: P2668 who I managed to erase and P3002 who wont go away. Anyone here who knows what the codes means? The car is a S320 CDI.
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Old Aug 29, 2012 | 10:16 PM
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From my research it seems like something is going wonky with the accelerator pedal position sensor. This will cause limp mode. You will need star diag to further diagnose.
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Old Aug 30, 2012 | 07:15 PM
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It was a sensor in connection with the particle filter who was the problem according to Star. Havn't got the part yet, so I have to wait and see if the problem goes away.
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Old Sep 4, 2012 | 02:06 AM
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Answer

Originally Posted by Tobby
Today when I started my car the yellow engine light came up and the car goes into what I think is limp mode. No turbo is present (I think) and the transmission wont kickdown at all.

I've red out the following error codes: P2668 who I managed to erase and P3002 who wont go away. Anyone here who knows what the codes means? The car is a S320 CDI.
P3002 - Fuel Air Metering Auxiliary Emission Controls.

roy@pelicanparts.com

.
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Old Sep 4, 2012 | 03:45 AM
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223.168 & 213.012 & 906.633 & 214.005
3002 is for the DPF differential pressure sensor (when you read codes with Star).

It could be the actual sensor or just the tubes, check those. A relatively common issue with V6 CDIs/DPF cars.
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Old Sep 4, 2012 | 01:51 PM
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I was the pressure sensor. Changed part number 006 153 95 28, car is like new again
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