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Problems With Vivaro 1.9 Cdti, any help or advice very gladly accepted !

Discussion in 'Movano and Vivaro Commercial Vehicles owners forum' started by alymac, Mar 17, 2011.

  1. alymac

    alymac Member

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    Good afternoon all, this is my first post so please be gentle :), iv'e been looking about the forum for a bit of an idea but thought it would be a better idea to ask for some help or pointers, if anyone can.

    I have a 2005/54 vivaro 1.9cdti, had it since it was 8 months old, it has now covered 145k miles but it has always been extremely well maintained whilst iv'e owned it, just had its annual service in February this year at a cost of £ 850.00, but it just not quite right.

    Prior to its service when you started it in the morning it would tick over for about 15 seconds then die and wouldn't start again, i quickly found that pumping the squeezy ball type thing ( sorry i don't know its proper name ) on the left hand side of the engine bay would cure this and it would start and run from then on.

    This was mentioned when it went in for its service and was put right but i have also been finding that when the van is cold there is absolutely no throttle response below 2k revs and it appears to be getting worse, the garage did have a look but didnt really put the time into finding the problem. They took out the EGR and cleaned it and put it back in.

    It now seems to be getting worse as when you start it in the morning there is very little if any throttle response until it warms up a bit, it wouldn't rev past 1500rpm this morning and i had my foot flat to the board ? , when it does warm up it doesnt go away it just gets slightly better, very slow to get through 1k revs to 2k then when it hits 2.5k it goes like its meant to, it is bizarre.

    I find that i am over revving just to pull away now for fear that i pull out into the road and there is no power !

    I hope that somebody here has maybe encountered a similar type of problem and has found the remedy.

    Thank you very much in advance for any help that you can offer. (y)
  2. waxnvax

    waxnvax Member

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    hi check that the garage has tightened the hose beside the erg valve. its the big black hose that runs to the intercooler..
    also if you follow the hose back from the intercooler you will see a small black hose into the side of the alu cast. pull it of and check that the hole is clear ( if the garage has cleaned the erg valve they could have blocked the pipe with gunk. poke a bit of wire through to make sure it's clear)
    also take the small black hose off completley and blow through it incase the pipe has sucked up some loose dirt and blocked it..
  3. alymac

    alymac Member

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    Thanks very much for the reply ! i will have a look in and around the egr as you mentioned, since i posted i have went back to the garage and spoke to them regarding the complete lack of power in the lower revs, they said they can take it back in and change the egr valve this time, but i'm reluctant to just keep throwing money at it without more positive results, i'll take the egr valve back out and have a look and see what kind of condition its in.

    I dont know if it could be related, but i'm now having to squeeze the ball type thing mentioned in my earlier post to get it to start in the mornings again, if i dont i will start and run for 5-10 seconds then die and wont restart until i pump the black ball type thing, i'm starting to run out of patience with it tbh.

    Thanks again for your reply and advice.
  4. waxnvax

    waxnvax Member

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    hi yes this will also give you power loss as you have an air leak in the fuel line.if you are getting full power above 2000 rpm then refer to my other post.
    air leak.
    check around your fuel fillter if it's a black plastic one with a plastic screw ring these are very hard to seal..
    if its a cast holder try a new one.
    give the pump about 8-9 pumps to build up the pressure and look at the fillter for weeping of fuel.
    what engine have you got as going by the year of your van there should be no fuel primmer as they have a self bleed pump. is it a f9q engine or the newer engine??
  5. alymac

    alymac Member

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    Hi there, thanks again for your help, sorry i haven't been back online since you last posted, my mother has been in hospital so the van has just been cast aside for the moment.

    Where will i find my engine type ? will it be on the registration document or is it stamped in a door shut ???

    Thanks again for all your help, i'm hoping to get to the bottom of the problems this coming week if i can.

    Thanks
  6. alymac

    alymac Member

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    Hi again, i had a bit of time tonight so i had a go at this van as its driving me up the wall !!, i took the EGR out and it was manky !!
    [​IMG],
    [​IMG],
    [​IMG],
    [​IMG],

    Should it really be as manky as this if it was supposed to have been removed and cleaned at the vans service in February ???? I don't really know as i'm not too technically minded but it was filthy so i gave it a good clean and cleaned as much of the cast as i could at the same time then put it back together again, surely this will help ??

    When i started the van after it did rev a bit more freely so hopefully a step in the right direction.

    Cheers !
  7. solorider

    solorider Well-Known Member

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    just done a search on a renault forum and found some info

    5 years a renault technical expert:
    This should cure the problem for sure:
    Firstly you will need to have a diagnostic check done as there are few items could cause this system. it could be fuel pump , leak back on an injector , air flow meter , bad diesel? egr valve etc etcthere is also a software update for the traffic van for this but you test done first and come with results. Also check for smoking when the fault occurs.

    If you look in the engine bay behind the passenger headlamp and you find a black box with fuses and relays in it. look in there and you will find a big connector block , disconnect this , and check for water marks. clean up with good electrical spray , and try again. I have come across this problem time and time again with Renaults and 90% of the time you'll find the cause of your problem in there.
    Dont forget to disconnect the battery first!


    but the fault is on most vans caused by the injectors or the fuel pump,one word of warning though,no 3 injector on the vivaro can be a right pig to remove and in a lot of cases will require head removal as the injector siezes in the head because water from the air intake drips down onto the engine
  8. waxnvax

    waxnvax Member

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    hi going by your pictures you have an f9q engine
    your erg valve has been cleaned but it is very oily i would take the intercooler out and wash it with petrol untill the petrol runs through it clear.
    the pipe that runs from the erg connects to the intercooler unbolt it and take it out. did you also check the small pipe to see if it's clear.(on the back of the cast where the erg sits).
    when the engine is running is it very smokey blue colour.
  9. alymac

    alymac Member

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    Location:
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    Hi folks, thanks very much for the response once again !, all last nights efforts didn't really cure my problem unfortunately, still the same when started from cold, it run for 5 seconds then died, popped the bonnet and pumped the fuel primer ? a few times till it went solid and then restarted the van, very very little response to the accelerator below 2k revs then boom when it gets above 2.5k !!

    On the open road when warmed up then i would say cleaning the egr had been noticable as it run better but iv'e still this same issue when its cold.

    I spoke to the boy at the garage that services the van when its in and he said that when they put the diagnostic on it at its service it wouldnt let them in ?? but he suggested taking it back down so they can have another go at plugging it in to see if it wants to talk to them now.

    As for removing the intercooler for cleaning, i'm keen to have a go at doing anything that will help i just dont want to take on more than my capabilities, is it fairly straightforward to do ??

    Would i be safe enough to remove the piping and give them a good clean at the same time. See the small metal type pipe that runs off the back of the egr valve, this was replaced at the service i have been told as it had split, dont know whether or not its important ?

    As for the van being smokey, i have never seen smoke coming from the rear, but i'll get one of my mates to drive it and i'll follow just to be sure.

    I will also take a look for this electrical connector and give it a clean, i am now just beginning to wonder if this could be a fueling problem but am hoping that its not an injector thats on its way out !!

    I'll keep you posted on my progress and once again thanks very much for all help and advice, i really apprecieate it !!
  10. waxnvax

    waxnvax Member

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    Location:
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    the intercooler two 13mm bolts at the top take them out and give the intercooler a good pull.
    the small pipe follow it back and take it of and blow through it to see if its clear. and where it fits at the back of the cast poke a bit of wire through to make sure its clear of gunk..
    ps if the intecooler is full of engine oil then you have a turbo problem.

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