Anti Polution Fault

[Tom Ar]

Hi All, new to the forum as I've just found it.

 

Looking over the previous threads, I'm surprised to see no one else seems to be having any problems with a recurring 'anti polution fault'.

 

Its on a 2002 2.2 HDI Diesel with 78K on the clock. The problem is the engine just cutting out, normally between 2500&2800 although it has occured at below 2000rpm. You can only coast to a halt at the side of the road (not surprisingly causing some very near misses at times), switch off the ignition, wait for 15 seconds and the engine will start and run again. Sometimes it'll 'die' again within 800-1000 meters and repeatably 4 or 5 times other times it will run fine the rest off the day. It must be having a detrimental effect on the car as well as my nerves as its now getting harder to start some mornings. The fault occurs on inclines, level roads and down hills and it has occasionally disappeared for days at a time when the car performs normally without having to try and drive, keeping it below 2500rpm.

 

Its been happening now for around 4 months and the garage is no nearer finding a solution. They tell me the code that comes up indicates a fault on one of two fuel rail solenoid valves but at £200 for a replacement, I've told them I'll only pay for it if it cures the problem. I wonder why they're reluctant to change it? and just keep checking to try and solve it.

 

I wonder if its to do with some form of electronic fault as I also get spurious other faults flash up from time to time from missing tyre sensors to de-activated air bags to name but two.

 

Any others suffered from this problem? :D

Tom

 

edit: Just noticed a couple of posts in the technical section :P will check for intercooler leaks.

[pork_pie]

I had a similar problem with my old C3.

 

Might sound odd but check the switches behind the clutch pedal.

 

It might be permanently pressed fooling the engine electronics that the clutch is in when it fact it ain't.

 

This causes such niceties like engine cutting out and electronics playing silly games only for it to disappear after restarting.

 

Also get the technician to go for a drive with you.

 

You drive and he has the ECU connected to his laptop.

 

After 12 visits in as many weeks - this stance actually worked and the problem was solved.

 

Don;t know what it is with Citroen electronics........

[Tom Ar]

OK.... Cheers, I'll have a look there too!

 

This morning while having a look at the various vacuum pipes to see if there are any split ones I discovered a snapped linkage as in the following photos -

 

http://gallery.arlott.org/albums/C5-Pics/P8270031.sized.jpg

http://gallery.arlott.org/albums/C5-Pics/P8270032.sized.jpg

http://gallery.arlott.org/albums/C5-Pics/P8270033.sized.jpg

 

You can see in the pics, at the end of the feint red line, where the residue of the superglue that I used to stick it is. Can anyone tell me what the linkage arm does as it rotates the bracket that disappears into the side of the head?

Could this have a bearing on my problem? as I've not been out yet to try it.

[Tom Ar]

Problem Solved!

 

Not by anything other than a bit of luck and a hammer.

 

After its most recent visit to a dealership, where before they could do anything they 'had' to replace the broken linkage (shown in pics above) as they wouldn't be able to run any tests on it until it was replaced and were sure after it was replaced all would be fine :(

They wouldn't accept that the anti pollution fault had been there long before the broken linkage, anyway, the linkage wouldn't be in until the following day. So it finally arrives late afternoon of the second day and there's no time left to try it :angry:

 

Well next morning they take it out for a test run to prove it was all fixed, and what do you know, BANG! dead with anti polution fault! "Oh I thought you were sure the linkage was going to cure it?" say's I rather sarcasticly :lol:

Next step, they hook it back onto the diagnostics and inform me that two injectors are failing, "which two I ask?" ah that'll need to be determined by 'our' specialist say the dealership, "not on your nelly" says I and so I took the car out and arranged for another specialist, of my choosing, to check the injectors.

 

This is where the luck comes in, apparently its sitting ticking over up on the ramp, as they're preparing to do the test and it just dies, one of the guys underneath is standing next to the fuel pump and realises that the pump has also just stopped. He gives it a 'tap' with a hammer and it starts pumping again :blink: I'm advised it appears to have a faulty pump and should be replaced, it 'may' after all cure the problem and is obviously faulty, So again another day while a pump is ordered in, fitted, and lo and behold problem solved! :)

 

Now why on earth with all the modern diagnostics, that these cars are supposed to have, are they not able to tell them there is a problem with the fuel flow from the pump? or is it just that all the dealership garages are full of absolutely crap 'mechanics' who can't actually tell whats wrong with a car unless the ECU tells them, when in effect the ECU its self dosn't know!

 

I suppose if it went in with a flat tyre they'd deny it if the display didn't say 'Tyre punctured' :P

[iannez]

dont think fuel pump would cause polution fault. the 2.2 16v engines have a fuel additive called eloys. sounds like its running low. the eloys tank needs refilling at about 80k so yours is some where near. changed loads of fuel pumps and never had anti polution fault. oh and dont tar us with the same brush. try anouther dealer if your not happy.

[Randombloke]

With regard to Eolys fluid, does the trip computer not give an indication as to when this will run out? My 2002 2.2 SE says mine will run out at about 84,000 miles.

[andyc22]

Hi All, new to the forum as I've just found it.

 

Looking over the previous threads, I'm surprised to see no one else seems to be having any problems with a recurring 'anti polution fault'.

 

Its on a 2002 2.2 HDI Diesel with 78K on the clock. The problem is the engine just cutting out, normally between 2500&2800 although it has occured at below 2000rpm. You can only coast to a halt at the side of the road (not surprisingly causing some very near misses at times), switch off the ignition, wait for 15 seconds and the engine will start and run again. Sometimes it'll 'die' again within 800-1000 meters and repeatably 4 or 5 times other times it will run fine the rest off the day. It must be having a detrimental effect on the car as well as my nerves as its now getting harder to start some mornings. The fault occurs on inclines, level roads and down hills and it has occasionally disappeared for days at a time when the car performs normally without having to try and drive, keeping it below 2500rpm.

 

Its been happening now for around 4 months and the garage is no nearer finding a solution. They tell me the code that comes up indicates a fault on one of two fuel rail solenoid valves but at £200 for a replacement, I've told them I'll only pay for it if it cures the problem. I wonder why they're reluctant to change it? and just keep checking to try and solve it.

 

I wonder if its to do with some form of electronic fault as I also get spurious other faults flash up from time to time from missing tyre sensors to de-activated air bags to name but two.

 

Any others suffered from this problem? :D

Tom

 

edit: Just noticed a couple of posts in the technical section :P will check for intercooler leaks.

[milky]

With regard to this eoly fluid is this only used on diesels as I too have a anti pollution fault and have been told this fluid needs refilling but my car is petrol.

[kfk]

With regard to this eoly fluid is this only used on diesels as I too have a anti pollution fault and have been told this fluid needs refilling but my car is petrol.

 

Eolys fluid is only used in some diesels

[milky]

Eolys fluid is only used in some diesels

 

 

ok thanks for replying, have to find out whats causing this problem now :huh: