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Focus 2006 1.6 TDCi DPF Additive fault - P1922 P2585

Posted By gn8691 Monday, April 22, 2013 8:42:22 AM
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gn8691
 Posted Monday, April 22, 2013 8:42:22 AM
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Hi,
I have above vehicle with Mil on :
1 fault logged in PCM P2585 Fuel additive control module warning lamp request and
1 fault in Additive module P1922 Fuel additive level circuit

Using Solus Pro 13.2

Both come back after restarting.

This vehicle is soon due an additive refill but I am not sure P1922 refers to the level but more to a circuit fault.
Could anyone confirm this.

Having looked on autodata wiring diagram I dont see a level sensor, just an additive pump (4 pin connector with just 3 wires)

I load tested both power supplies and earth to module under rear seat. I have also closely inspected the wiring and connectors under rear of vehicle. Filler flap also tested ok.
So does this have a level sensor and this circuit is at fault or is its Fords way of saying it needs additve.
I would have thought a fault saying something like low additive level.


Any help would be appreciated.


Iain


sparki1
 Posted Monday, April 22, 2013 1:33:50 PM
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There is no level sensor, the ecu works out how much fluid it has by knowing how much has been added by the person who resets the counters after filling the tank. A small amount is added to the fuel system based on differing engine conditions.
sparki1
 Posted Monday, April 22, 2013 1:36:10 PM
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There is no level sensor, the ecu works out how much fluid it has by knowing how much has been added by the person who resets the counters after filling the tank. A small amount is added to the fuel system based on differing engine conditions.

I think this can be done with the Snapon, although regens are somtimes not successful using any kit.
gn8691
 Posted Monday, April 22, 2013 2:22:12 PM
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Thanks,

This is why I'm confused because I have a fault code for level sensor even though it doesnt have one.
K And R
 Posted Monday, April 22, 2013 2:46:05 PM
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Iain.

A code read with IDS and checking the exact way the system works on E-TIS would be the best way forward.

Kev.


"If you dont KNOW how it works, don,t try to test or fix it"
tk
 Posted Monday, April 22, 2013 5:19:42 PM
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You could try filling the additive tank and prime it using a scan tool,then see will the code clear,

The level sensor is a piezo sensor which calculates the level and quantity of the operating medium of the system,which is located in your fuel additive tank,and one of those three wires sends a signal to the fuel additive control unit to tell it how much fuel is in the tank.
sparki1
 Posted Monday, April 22, 2013 6:09:21 PM
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TK sorry if I got this wrong, is the system not like the psa ones? I always thought levels were callculated and not actually measured?
tk
 Posted Monday, April 22, 2013 7:03:31 PM
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Esi goes through this system pretty well,if you have it give a look through it,
gn8691
 Posted Tuesday, April 23, 2013 3:48:07 AM
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Tk is right I think.
I had a look at my Tech Topics notes and the system is as he describes with a piezo sensor built onto the additive pump assembly.

As the wiring checks out ok its going to be a sensor or module fault.
The sensor only comes complete with pump and additive tank I think.

Will have to have it back and check it over again.

Thanks for your help.

Iain
gn8691
 Posted Tuesday, April 23, 2013 5:34:31 AM
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Didnt have any others.
Vehicle is not with me at the moment.

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