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Nissan Primera P12 2.2dCi 2002 random P0093 fault

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Phil_L View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Phil_L Quote  Post ReplyReply Direct Link To This Post Topic: Nissan Primera P12 2.2dCi 2002 random P0093 fault
    Posted: 08 Nov 2009 at 9:59am
Good morning everyone I am a new member with a problematic P12.

The symptoms are that it indicates a fault, via the MIL, sometimes several times a day but sometimes it can go for a week and show nothing.  The fault indicated is P0093 which is a large fuel leak.  This puts the car into limp home mode which clears on stopping and restarting.  It may reoccur fairly quickly and it may not.  There are no indications that anything is untoward until the MIL comes on.  The only clue I have is that it was fine during the week in October when it was warm and dry and the faults started again when it got cold and wet.

I am beginning to suspect an earth fault but do not know where to look.

Any help or tips would be greatly appriciated.
Never ascribe to malice that which can be explained by incompetence
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imckay View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote imckay Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2009 at 10:27am
Welcome to NPOC Phil,
 
Your fault code isn't listed as far as I can see?
 
I can see from your new member post that you have a 52 plate 2.2DCi
It helps you attract the attention of the right people if you include the engine/fuel type in the question subject. There are 2 phases of P12, so the year also helps.Thumbs Up
 
There are a few YD22 experts on here who will be able to help.
 
I do know there have been problems with earth straps on the P12. I believe a common one is to the gearbox (hidden under the battery).
Have a search for 'P12 earth'
 
Good luck getting it sorted
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Phil_L View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Phil_L Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2009 at 11:00am
Thank you for your reply imckay.

Unfortunately I cannot edit my posts yet.  If an administartor can allow me to do this or modify as appropriate I would be greatful.  Maybe the title should read:

Nissan Primera P12 2.2dCi 2002 random P0093 fault

Thanks to NPOC I have the service manual and I have visually inspected to gearbox earth strap.  This is intact but I have not taken it apart.
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Baz007 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Baz007 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2009 at 11:10am
Close to your air bix there is your boost control solenoid...  Try to pull the wires out of it and get back to me.
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Phil_L View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Phil_L Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2009 at 12:28pm
Sorry to sound dim but where should I look (when it stops raining)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Baz007 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2009 at 1:00pm
...Its been a while..... Erm, just to the side of the boost house, there is a small actuator. The plug is square with a metal clip around it.  If the wires come out of that it flags up a fuel leak. 
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imckay View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote imckay Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2009 at 1:03pm

Is that what the service manual refers to as the 'variable nozzle turbocharger control solenoid'?

There are a few pics in the manual which may help Phil identify it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Baz007 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2009 at 1:18pm
Yes, I think it is.... I try not to pay attention to names as they change from model to model and it all gets confusing!
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Phil_L View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Phil_L Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2009 at 4:19pm
Thank you very much.  I found the solenoid and on pulling the red wire it came out.  It is now soldered back together and hopefully repaired.  I will try and update in a couple of months.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote timeshock! Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2009 at 5:34pm
Cracking advice, if thats the call sounds the jobs a goodunBig smileLet us know either way how you get on
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