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Thread: Exhaust emission light and loss of power below 2000 revs

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    Default Exhaust emission light and loss of power below 2000 revs

    Hi,

    The Exhaust emission light has come on and i have a loss of power below 2000 (ish) revvs.

    It pulls fine after that but on pull away does not want to go.

    I have a CDTI 150 50k miles on a 07 plate.

    Any ideas what it could be ?

    Had a look at some of the pipes and can't see splits.

    It is an auto so not sure i can get the codes from doing the pedals trick ?

  2. #2
    Regular Member vectra 120's Avatar
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    Could be the boost sensor or the EGR need a clean just about to do mine today

    also check the vacuum pipes for splits

    Steve

    http://www.saabscene.com/forum/index...topic=31642220

    This is for a 120 but should be the same for a 150 apart from the EGR is not in the same place
    Last edited by vectra 120; 15th November 2010 at 11:42.

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    Cleaned the EGR and it now works fine...

    The warning light has gone off after a short drive.

    Hopefully that is it now..

    Thanks

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    One thing i was going to ask is...

    I cleaned the EGR but could not disconnect the plug.

    i pulled the yellow lock bit down a couple of cm but could not get the conector apart.

    Should i have pulled the clip down further ? Did not want to break it so just cleaned with it still attached...
    Last edited by craigb; 16th November 2010 at 14:46.

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    Well
    the emissions light has appeared again..
    i cleand both EGR and boost valve this time but light remains.
    can i continue to drive and ignore the light ?
    the car seems to be running fine.
    was thinking of blocking off the EGR but i think the light will remain.

    Any ideas or suggestions please ?

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    Regular Member paul-west-76's Avatar
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    Vehicle : signum 1.9 cdti 150

    Trim : elite

    Engine : 1.9 16v

    Year : 2004

    Mileage : 125000

    Default

    have a look at the 3rd injector, i had the same thing, did all the usual. egr replacement, boost sensor and reconected the linkage on the swirl valves but after a week the problems returned, did the 3rd injector change following the how 2 on the site and been great since, other than that the symptoms are similar for inlet manifold issues.

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    Try looking at the carbon canistor mate, i think its wat its caused anyway. my ex misses has a brand new zafira 1.9cdti and after 200 miles it lit up, its normally caused by poodling around, i cleared it by taking it for a good thrashing down the motorway, cleared it right out and sorted the problem.

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    Engine : Z18XER



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    Full Member plasma's Avatar
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    Vehicle : Vectra

    Trim : SRi

    Engine : 150

    Year : 05

    Mileage : 74000

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    Had this happen to mine, it can come on when a regen is interrupted too many times... Caught it doing it once and took it for a blast and the regen completed (could tell because consumption went up to 0.9Gallons per hour) and not seen it since
    Plasma's Tech2 services are now open and able to provide services

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    Quote Originally Posted by paul-west-76 View Post
    have a look at the 3rd injector, i had the same thing, did all the usual. egr replacement, boost sensor and reconected the linkage on the swirl valves but after a week the problems returned, did the 3rd injector change following the how 2 on the site and been great since, other than that the symptoms are similar for inlet manifold issues.
    Thanks for the reply.
    When i look at the 3rd injector how do i know if there is an issue (what am i looking for ?)

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