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Thread: problems!

  1. #1
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    Default problems!

    hello new member here, unfortunatly i have only been a vectra owner for 2 months and have had nothing but problems!!!

    symptoms... feels slugish low end and lacking power, 1st and second gear revs upto 5000rpm but in 3rd gear enters limp home mode at 4000rpm.

  2. #2
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    took it to garage and fault code suggested airflow metre, changed that! same day new fault... code p0234, suggested new boost control sensor... fitted!.. still same symptoms. next changed boost pipes, mine were starting to perish... not a huge noticable difference in low end boost.. and same symptoms still exist....

    question?... if the fault code is still in the system and not turned of will this still cause the car to enter safety mode, even if fault is fixed???

    have read a few post on cleaning egr valve but not sure how to go about it or if i might do more harm than good.

    mechanic also said it could be turbo presure release, sticking open.

    great forum, some helpfull reading and guides on here.

    thanks... graham

  3. #3
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    Default

    check all the vacuum hoses (little tiny pipes) even the smallest of pin holes will do it . plus it really could be a dirty egr and boost pressure sensor or inlet manifold . what engine is it (cdti or dti )

  4. #4
    Regular Member byebyeitsagsi's Avatar
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    Any hint as to what engine you have?

  5. #5
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    Default

    Profile says 1.9 cdti 16v

  6. #6
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    Default

    Yes it's the cdti 150 16v 2005.

    I have already changed the boost pipes... No real difference, boost control sensor is brand new just fitted... No change.

    I don't think I'm up to cleaning the egr properly so looks like il be buying a new one next, hope that solves it or it's going to the scrap yard! After I remove the new parts obviously, lol.

  7. #7
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    Yes it's the cdti 150 16v 2005.

    I have already changed the boost pipes... No real difference, boost control sensor is brand new just fitted... No change.

    I don't think I'm up to cleaning the egr properly so looks like il be buying a new one next, hope that solves it or it's going to the scrap yard! After I remove the new parts obviously, lol.

  8. #8
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    Vehicle : vectra c

    Trim : ls

    Engine : 1800

    Year : 04

    Mileage : 134000

    Default

    I think the Z19DTH is a great engine for a vectra or signum, but like many engines these days there are some inherent faults that can raise their ugly head earlier than expected, partly due to design faults, and sometimes exacerbated by certain styles of driving.

    Let us not forget that 150bhp was pushing the limits of a production 1.9 diesel when first released - how many sub-2.0 diesels could you find 10 years ago with this much power??

    Now, down to the nitty gritty regarding common faults:

    1. Injector #3 wiring loom: This is a blatent design fault, complete ****-up by vauxhall. Good news is it's cheap to fix, especially if you DIY.

    2. Throttle body: A manufacturing fault sometimes causes a solder joint to break. Easily and cheaply fixed with a soldering iron and some solder - usually no need to buy a new one.

    3. EGR valve: This can sometimes get clagged up and cause problems at 60-80k miles, maybe sooner if used on a lot of short journeys or around town. Usually cleaning fixes it, but sometimes a new one is required. This problem affects many modern diesels and is inflicted by EU emission regs. I don't consider this to be vauxhall's fault.

    4. Intake manifold/swirl valves: Swirl valve bearings wear out at around 80-100k. Crap design, blame vauxhall entirely for this one. Only solution is to fit a complete new one. Not an easy DIY job, so expect to pay a garage around £700 for this.

    5. Dual Mass Flywheel: Usually knackered by 100k miles, maybe sooner if abused (harsh gear changes, stalling, etc). I'm in the same camp as many others on this forum - this has to be considered a very expensive service item as the same problem seems to afflict most car manufacturers. Not an easy DIY job, so expect to pay a garage around £1200.

    6. Diesel Particulate Filter: Only fitted on Vectra Estate and Signum IIRC. Not usually a problem provided the car gets a decent run - at least 20 miles at high speed every few weeks. If it does fail, it can be removed and ECU remapped to disable it for around £150-300. Will still pass MOT test without it.

    I think thats it! Anyway,

    this post i found was done by littleteapot

  9. #9
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    Vehicle : vectra c

    Trim : ls

    Engine : 1800

    Year : 04

    Mileage : 134000

    Default

    http://www.vectra-c.com/forum/showthread.php?t=72688

    welcome to the forum

    hope this may help you

  10. #10
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    Thumbs up

    Well after replacing the air flow metre, boost control sensor, boost pipes, and finally the egr (egr took me about 20 mins) the car is running pretty good.

    unfortunately while I was messing about with the boost pipes I snaped the plastic fitting at the front right where the long boost pipe comes from, iv managed to botch a quick fix for now but will have to replace... Dose anyone have a name for this part???

    I'm glad i did this work myself as I spent enough on it recently, and it was easier than I was expecting! Rather keep the money in my pocket than the stealers!

    Cheers

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