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Citroen Picasso 1.6 HDi 2003 - Fault code P0238 #

Posted by Pete Lawrie on January 31, 2011, 6:55 pm

Year of Manufacture *: 2003
Engine Size and Code *: 1.6 HDI
( Optional ) Scanner Used: Solus pro
( Optional) Fault Codes: P0238

Hi all.
I hope somebody can help me with this sticky job.
Car was in a week or so back with mil on and codes P0238 & another code that I can't remember. P0238 implies manifold pressure to high and the other code implied pressure to low. I stuck a new MAP sensor on it and all seemed fine. Car back in today with MIL on and P0238 back.
Have checked turbo boost pressure and it is within auto data figure of 1bar at 3000rpm. I've got 11psi at 3000rpm which seems fine. Has anybody had any expieriance of this one.
Cheers Pete.

Re: Citroen Picasso

Posted by martin simonsohn <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3223' width='330' height='300' border=0 style='border:none;'> on January 31, 2011, 7:49 pm, in reply to "Citroen Picasso"

hi i wouldnt think its a turbo fault more then likley its worth testing the mass air flow and egr valve egr my be sticking or mass air flow could be reading incorrectly also may be worth checking to confirm no inlet leaks (air)hope this helps

Re: Citroen Picasso

Posted by Martin Cook <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3197' width='330' height='300' border=0 style='border:none;'> on February 1, 2011, 9:46 pm, in reply to "Re: Citroen Picasso"
Martin Cook

Hi pete

I concur with martin. Had a few of these with faulty MAF sensors & have found some aftermarket units not up to scratch, so would recommend that yoy fit citroen O.E.

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