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hi
im a mobile mechanic from bridgend and have had this car on going for some time. i visit these sites all the time and find they are a great help with other prolems i hav had. as for this car it is a 2005 307 hdi 2.0 convertable . when driving a cruising speed it surges quite violent. it also dies on you for half a second when you pull off. but foot down pulls like a trooper. right then heres story so far.... i have done plug in on it and recived egr fault. cleared it down, fault code poped back up after some time but symtoms still there. i traced fault to wot seems to be the egr valve opening when it shouldnt.... for the price of egr valve i wasnt going to say i was 100% (over £200) to the customer. it was sent to local specialist. they said it needed egr valve. so i replaced it..... still the same... phoned them up they said it needed coding. so i got it done and guess wot...... stil the same and wallet lighter so wasnt amused. they said now it needs exhaust cat. but if this was blocked it would flat all the time. so took it away took exhaust sytem/cat of and drove it. still the same!!!! i gave in and sent it to main dealer as i have read that a software update would fix it. they did a update..... still the same. i left it there to be told wrong fuel...... i dont think so but went with it. drain tank new fuel filter fitted cleaned all pipes and tank put deisel in it ....... still the same and this is were i am now. fed up of main dealer and people who havnt got a clue. i know the problem is that the egr valve is opening when it shouldnt also when your stood still and rev engine it surges at 3000 rpm. any help would be more than great full please help before i loose it...and burn it:mad:
 

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As I understand it, there is
(i) a sudden increase in the engine revs unassociated with accelerator pressure around the 3000rpm mark.
(ii) there is a flat spot on take off.

Is the mpg still around what you might expect? Is it still running at normal temperature?

I'm guessing that it's an air-supply problem - a sticking valve and/or slight leak in the vacuum system around the air-doser. Check the valves to fuel supply and then pipes in the area for splits, looseness, etc.
 

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Discussion Starter #3
PureJoe said:
As I understand it, there is
(i) a sudden increase in the engine revs unassociated with accelerator pressure around the 3000rpm mark.
(ii) there is a flat spot on take off.

Is the mpg still around what you might expect? Is it still running at normal temperature?

I'm guessing that it's an air-supply problem - a sticking valve and/or slight leak in the vacuum system around the air-doser. Check the valves to fuel supply and then pipes in the area for splits, looseness, etc.

hi
this problem in not affected by engine temp. temp is all ok does not over heat. as far as customer has told me fuel mpg is about right. yeah flat spot when taking of but car does not rev by its self. if i sit there and press accelerator pedal and hold it about 3000 rpm it then reves between 2800 and 3000 but i can rev through it. also if i wide opoen throttle no problem at al. as for split pipe i cant see any thing and egr is electronic not vacume. wot do you mean by air dozer i may call it somthing else????
 

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I had exactly the same problem on my wifes 307 hdi xsi 2.0 54 reg
it started and drove fine if pushed, it was when you tried to hold it at a steady speed. no matter what speed that was it just hesitated and jumped around. if you slowed down or accelerated a little it would go, untill you reached a steady speed again.

If I drove it like i stole it , it would be fine !
just that steady speed.

having it done by a dealer/stealer as i am typing and the bill :eek:

£462.99 fek me :nono:

but they do assure me 100% that the egr is the problem.
 

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Discussion Starter #5
bing said:
I had exactly the same problem on my wifes 307 hdi xsi 2.0 54 reg
it started and drove fine if pushed, it was when you tried to hold it at a steady speed. no matter what speed that was it just hesitated and jumped around. if you slowed down or accelerated a little it would go, untill you reached a steady speed again.

If I drove it like i stole it , it would be fine !
just that steady speed.

having it done by a dealer/stealer as i am typing and the bill :eek:

£462.99 fek me :nono:

but they do assure me 100% that the egr is the problem.

did they actualy tell you wot they did or bluff you off????
 

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HI they are still doing it
but this morning they put it on a diag to see what the problem was.
I also had a code read and it pointed to the EGR valve

they also ran other tests. ........what i do not know.

but they are doing it now....they did tell me they were 100% sure it was the EGR.

If it does not fix the problem.............I have told them they will be having it back. to resolve the problem at their cost.


cheers
 

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Had a very similar problem. Stealer fitted egr to no effect. Turned out to be turbo repeat sensor.
 

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stevoxsi said:
Had a very similar problem. Stealer fitted egr to no effect. Turned out to be turbo repeat sensor.
they have said that is all ok as they have done a "he vac test" well i think that is what he said.
but he said all the turbo side of things were ok

BUT they have now said it also needs one of the 3 valves on the front on engine £52.45..:eek: :eek:
so that will now bring the bill to an amazing £515.44:tantrum:


DEALERS are Happy :letsprty:
 

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Mine had £2,500 spent before it was sorted...:nono:
 

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Discussion Starter #11
bing said:
they have said that is all ok as they have done a "he vac test" well i think that is what he said.
but he said all the turbo side of things were ok

BUT they have now said it also needs one of the 3 valves on the front on engine £52.45..:eek: :eek:
so that will now bring the bill to an amazing £515.44:tantrum:


DEALERS are Happy :letsprty:

hi bing
have you had car back? is it all done??
 

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Yes had the car back......................what a bunch of tossers!
charged us £462 new EGR and it still hesitates, they are now saying it could be a problem with the turbo............£1000

NO CHANCE STEALERS !!

they assured me it was the egr and all would be ok.
then they said could be one of 3 solenoids, no difference.

then they thought lets rip them off for a new turbo £1000

I will get a local diesel specialist to look at it.

thanks for asking though.

cheers
 

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Discussion Starter #13
bing said:
Yes had the car back......................what a bunch of tossers!
charged us £462 new EGR and it still hesitates, they are now saying it could be a problem with the turbo............£1000

NO CHANCE STEALERS !!

they assured me it was the egr and all would be ok.
then they said could be one of 3 solenoids, no difference.

then they thought lets rip them off for a new turbo £1000

I will get a local diesel specialist to look at it.

thanks for asking though.

cheers

hi bing

you are within your rights to ask for a full refund. the egr fault comes up because of the surging. ask for the egr valve back!!!! and say you are going to citizens advice. watch them sh#t them selves. iv worked for main dealers fed up of customers and me being just numbers. how they can charge you for a fault not fixed i have no idea. not on at all!!!!!!!
 

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Turbo repeat sensor is part of the turbo unit. But it requires special tooling to change. New turbo should sort it but if they check the turbo it'll come up fine when stripped.
 

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mate of mine had same problem (although his also showed the anti pollution fault.) stealers wanted £1800 new turbo fitted or £700 for repeat sensor....we thought we had sorted it cheap but that fell through......anyway.....a great little place in derbyshire sorted it for us called the turbo centre....£452.50....they serviced the turbo changed the sensor and the car now drives like a rocket....(136 sw xsi). and thanks to a guy whos in this thread 'stevoxsi' we figured it didnt need a new turbo which made us ring these fella's up....:thumb: dont know where you are but id give these guys a ring with the £500 the stealers are trying to pants you for....sorry for rambling. hth....:thumb:

mods i apologise if this is unauthorized advertising. i am in no way associated with the turbo centre.
 

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I don't think we'll tell you off for helping people escape the stealers!
 

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Juddering

Hi all
This sounds like a similar problem I am having with my 2005 307 136xsi. The car will idle fine and will accelerate like very well. However under low load conditions it will judder. I have (with help form my local pug specialists) that this juddering is down to the car constantly dumping its turbo pressure).
So far they have replaced the turbo and the main induction pipe to the turbo at a cost of £1400.
This did actually cure the fault for a day or so but now it has started doing the same again.
I am confident they have done the work to a good standard so I really dont think the new turbo has gone!
They now belive that the egr valve could be at fault but having read the posts in this thread I have my doubts.
I disconnected the egr pipe yesterday and it is opening at high rpm and closing at idle.
If any of you have had success with this fault could you please let me know what could be causing it.
Cheers
 

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I have this juddering on a 307 1.6HDI, waiting on a PP2000 to be delivered to run diags. Did any of you with this juddering notice a decline in MPG aswell?
 

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I eventually cured mine by getting the car remapped to run without the DPF and smashing a hole through the DPF itself!
There are loads of posts on here about the problems caused by the DPF, Try looking some of them up and see if they sound familliar.
 
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