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P20E8 fault code and urea tank

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#62 ·
Got my local garage to carry out the test outlined on the Italian web site and there was no fluid pumped out of the tank at all. Am keeping her going by resetting the alarms with a cheap ODB11 reader I bought from Eurocarparts. Going to take the tank off and examine the pump when time allows.
 
#66 ·
OK, got the tank off this afternoon and removed the pump from the tank.

For those who are interested my car is a 2014 Peugeot 508 Allure 2.0BlueHDI and it's only done 11,500 miles. The first I knew that there was a problem was when the Adblue warning came up. I topped up the tank but the alarm stayed put. Got local garage to clear all alarms but it came back after a few miles. After doing some research I had my local garage carry out a test to see if the correct amount of Adblue was being pumped out of the tank. They found there was no output at all.

To enable the tank to be removed I lowered the rear anti roll bar then removed the two cables from the tank. I then placed a jack under the tank and removed the three nuts holding the tank to the boot floor. I lowered it gently untill there was enough room to removed the pipe which feeds the Adblue to the exhaust system (on top of the tank on the pump plate). I was then able to remove the tank from the car. The pump is held into the tank with eleven screws. After the screws had been removed the pump lifted up but I had to unplug cables and a short pipe to remove it completely from the tank.

I have now ordered a second hand pump from a breaker and will update again when it has arrived and I've fitted it. I will also try to add some photos.
 
#67 · (Edited)
Nice. The pump is a black tube in the middle. 2nd hand pump ? I hope it will last. how much did such used pump cost if I may ask ?
also : remember to create proper ventilation holes in the cap...
I wonder who is the OEM manufacturer of that pump. we could address it directly.

I also dissect the tank.
BTW: did you check the electric parts with some tool? find which element was burnt ?

sorry for the image quality...
 
#72 · (Edited)
actually there is no new pump - they have changed the board (PCB). the pump itself ,the black small tube, is probably the same OEM
(with no part number). once they changed the controller and changed the tank vent system you need a new software update.

BTW: did anyone test the old pump electrically ? what diode went dead ?
 
#73 ·
Fitted the replacement today and then reset all alarm codes. I have since driven 13 miles with no sign of any alarm. Keep your fingers crossed for me.
The pump I bought came off a 2015 308 which had done 30K miles but worked straight away with no coding.

BTW Save2 what's this about a diode going dead? I have my old pump/board etc so could test certain bits. A lot of the components seem to be surface mounted so might prove difficult to test. I thought it was the pump that burned out rather than a component on the board???
 
#76 ·
Thanks Mike, it really wasn't too bad a job and certainly save me a load of cash. Just hope this one lasts longer. It would be good to find out what actually goes wrong with the pump assembly. It is possibly only some cheap component which could be replaced. To think a new tank is £900 odd!!!

One point worth mentioning (which I only noticed when I'd got the tank off) is that there seems to be a drain plug on the back right side of the tank. it would have been much easier to lower an empty tank than one with 17 L of Adblue in. That would be at least 17 Kg (37.5 Lb old money) heavier than empty and the cost of Adblue being so cheap (I bought 10 L from Wilko for £10).

If anyone has any questions I'm only too happy to answer them if I can. More power to the DIYers!!
 
#78 ·
Jonsy said:
Thanks Mike, it really wasn't too bad a job and certainly save me a load of cash. Just hope this one lasts longer. It would be good to find out what actually goes wrong with the pump assembly. It is possibly only some cheap component which could be replaced. To think a new tank is £900 odd!!!

One point worth mentioning (which I only noticed when I'd got the tank off) is that there seems to be a drain plug on the back right side of the tank. it would have been much easier to lower an empty tank than one with 17 L of Adblue in. That would be at least 17 Kg (37.5 Lb old money) heavier than empty and the cost of Adblue being so cheap (I bought 10 L from Wilko for £10).

If anyone has any questions I'm only too happy to answer them if I can. More power to the DIYers!!
Click to expand...

Jonsy could you post a How to do it on here
 
#79 ·
Hello,

I have got the same problem with mine Peugeot Partner Tepee 2015.
Also P20E8 fault. I bought car from second hand and just have made service actions with adblue loop and cap exchange - too late :(, pump probably is death. Are huge price differences between peugeot/citroen tanks&pumps on second hand market. Unfortunately the highest prices are for Partner, for other like 308 are half price lower. Based on pictures I compared pump module included in tanks for peuegot/citroen cars and they looks very similar, box is identical sometimes offset part o part number is different (version?). I'm thinking about try to replace module pump or only pump (without PCB) from set for other PSA model. What You think, special request to Save2, it can finish with success ?

Best, Filo.

PS. Sorry for my badly English.
 
#80 · (Edited)
If you find the internal pump from used parts it can work. Just need to disconnect few internal cables to connect a new pump. The only problem : you never know a used pump real condition so this is a risk .
Not a big risk compared to a new tank (£900)

Remind me what engine the tepee has exactly ?
 
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