P244C fault code - Diesel Engines (Mk4 Mondeo) - TalkFord.com

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P244C fault code


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6 replies to this topic

#1 RedDawn

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Posted 20 September 2020 - 02:23 PM

Hello, fault code P244C - exhaust temperature too low for Particulate Filter Regeneration Bank 1. 

Driving 2.0 Diesel TDCI.  Any ideas what needs to be replaced to fix this problem?  

thanks.  

 



#2 PURPLE_2L_LX

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Posted 23 September 2020 - 12:36 PM

2L Diesel narrows it down a bit but what year?   Does it have a vaporizer?

 

How hot is the exhaust getting?


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#3 turbopete1

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Posted 23 September 2020 - 03:31 PM

2L Diesel narrows it down a bit but what year?   Does it have a vaporizer?

 

How hot is the exhaust getting?

im pretty sure ALL the 2.0 TDCIs in the mk4 have the vapouriser, and IIRC i think thats one of the codes i was getting when the glow plug/vapouriser failed on my car, as its the code for exhaust temp too low


Edited by turbopete1, 23 September 2020 - 03:32 PM.


#4 beardyman

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Posted 24 September 2020 - 09:07 PM

I have this problem too.  After investigation there was no blockage in vaporizer and pump tested ok.  It is beleived to be a faulty wire as pump is receving live but not earth.  

 

Would a regen occure from driving on a motorway for 50 minutes speed 60-70mph between 4-6th gear.  

 

The exhaust was replaced prior to to the problem occuring - is there such a thing as an incompatiable exhaust that could cause the problem ?  

 

Also these diagnostic readers, if a wire to the vaporizer was ever so slightly unplugged would the same fault code appear or a different one?   


Edited by beardyman, 24 September 2020 - 09:22 PM.


#5 PURPLE_2L_LX

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Posted 25 September 2020 - 12:36 AM

Its possible to get a voltage but the part fail to work. 

 

Had an electrical issue a while back where the wiring tested as good and the bulb tested

good but no lights.

 

Turned out that although there was a connection which was enough to show in a test meter or

light an LED. The wire could not carry enough current to light the bulb.

 

12volts on the meter and  plug the bulb in the voltage dropped to virtually nothing. Not enough

to make the bulb glow.

 

 

Compatible exhaust, not really. Recent work on the exhaust though would have me checking the

connections they may have disturbed.


MK4.5 TDCI 140 Business Estate.

 

MK3 FUSE INFO CLICK HERE ... FORD WIKI CLICK HERE .... FORD ETIS CLICK HERE

Adding your location may find someone local who could offer assistance.

F-Super, Bluetooth OBDII (ELM) and a MS509 scanners (test subjects required).

ForDiag now available to victims.


#6 frembrit

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Posted 25 September 2020 - 09:14 AM

 

I have this problem too.  After investigation there was no blockage in vaporizer and pump tested ok.  It is beleived to be a faulty wire as pump is receving live but not earth.  

 

Would a regen occure from driving on a motorway for 50 minutes speed 60-70mph between 4-6th gear.  

 

The exhaust was replaced prior to to the problem occuring - is there such a thing as an incompatiable exhaust that could cause the problem ?  

 

Also these diagnostic readers, if a wire to the vaporizer was ever so slightly unplugged would the same fault code appear or a different one?   

 

Did you test the glow plug in the vaporiser? That can fail too, though whether or not the ECU knows and then doesn't pump in the fuel, I don't know. But even if it was it may not get the exhaust temps up enough for the regen (as it would need the glow plug to work)

 

If the pump isn't getting the earth then driving on the motorway wouldn't make any difference. Normally an 'open circuit' error will be given if the connection wasn't good.


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#7 beardyman

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Posted 26 September 2020 - 10:25 AM

I honestly do not know if the glow plug in the vaporiser was checked.

 

The notes are: 

dpf vaporiser checked for blockage + resistance tested ok

pump for vaporiser bench tested ok

visable wiring around pump and vaporiser checked, fuese + relays for pump checked ok

pump is receiving live but no earth signal






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