2003 110 CDI P1470 - Mercedes-Benz Forum

 
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post #1 of 6 (permalink) Old 05-08-2010, 01:17 PM Thread Starter
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Vehicle: 99 VITO 95C280 04 C55
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2003 110 CDI P1470

P1470 Charge Pressure Control This fault code comes up only at 100km/h.Stop,turn off ignition,restart OK again until 100 is reached.Can drive in low gears up to 5k rpm no problem.We have tried a known good control valve but no difference. I have hada search around,anyone have any ideas.Cheers
ROBERT
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post #2 of 6 (permalink) Old 05-08-2010, 01:29 PM
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Mercedes-Benz Sprinter CDI van, code P1470. - Forums

http://www.justanswer.com/questions/...-merc-sprinter

have you checked actuator on turbo is moving when revving engine
not 100% but think actuator stops overboost which means if actuator is no good
or there is a vacuum leak , engine will go into safe mode when detecting to much boost.

Last edited by hybriduc; 05-08-2010 at 01:52 PM.
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post #3 of 6 (permalink) Old 05-09-2010, 09:48 PM Thread Starter
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Thanks for the quick reply,will check. We are getting 4psi boost maximum which I think is a bit low.But not sure what it should be.
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post #4 of 6 (permalink) Old 05-19-2010, 10:47 PM Thread Starter
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Yes,actuator arm moves OK
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post #5 of 6 (permalink) Old 05-20-2010, 03:58 AM
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not 100% on this one but someone on forum was getting 15psi or 1.0 bar max boost
marc
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post #6 of 6 (permalink) Old 05-22-2010, 12:52 PM Thread Starter
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Yes,that sounds about right.Problem solved,removed top intrcooler hose and a split underneath.New hose done.
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