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Thread: cdti 150 engine power below 1500rpm

  1. #1
    Regular Member solorider's Avatar
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    Vehicle : Vectra

    Trim : Design

    Engine : 1.9 120bhp

    Year : 2004

    Mileage : 139,600

    Default cdti 150 engine power below 1500rpm

    my 2004 vectra cdti 150 is very flat below 1500rpm,you can put your foot down and a milk float will leave you standing,once 1500rpm is reached the speed picks up a lot better,at 2000rpm it takes off like a scalded cat,is this normal or is the flaps in my inlet manifold seized? if so can you clean the manifold without taking the cambelt etc off? there is no eml lights on

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    Regular Member 67688c's Avatar
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    Pretty much normal... My 150 has little power until the turbo comes in at 1450 its as flat as a pancake until that turbo kicks in. You should have pretty much full power available well below 2000 however. 1500 is where the touch paper gets lit and the rocket takes off.
    Last edited by 67688c; 18th October 2008 at 01:48.

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    Regular Member solorider's Avatar
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    Vehicle : Vectra

    Trim : Design

    Engine : 1.9 120bhp

    Year : 2004

    Mileage : 139,600

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    sounds like mine is as it should be,mine has nothing below 1450 then it picks up a lot faster,at 2000rpm you get the full torque and you certainly feel it,im still trying to get used to it as my audi tdi was a bit more torquey at very low revs,many thanks

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    this is normal

    it only that your revs are so low your not getting a lot of boost from your turbo "" turbo lag "" and as long as its starts picking up from around 1500 rpm things sound to be all fine

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    Regular Member VectraV6CDTi's Avatar
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    I found this when I test driven one for a few days and it was one of the reasons that put me off the 1.9 CDTi. It catches you out the first time you drive it but I think you'd get used to it. My 3.0 is a lot different in comparision, pulling all the way from 1000rpm. These are my thoughts when I test driven a 1.9 CDTi a couple of years ago, before I bought my 3.0.....http://forum.vectra-c.com/showthread.php?t=11196

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    Regular Member 67688c's Avatar
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    Quote Originally Posted by VectraV6CDTi View Post
    I found this when I test driven one for a few days and it was one of the reasons that put me off the 1.9 CDTi. It catches you out the first time you drive it but I think you'd get used to it. My 3.0 is a lot different in comparision, pulling all the way from 1000rpm. These are my thoughts when I test driven a 1.9 CDTi a couple of years ago, before I bought my 3.0.....http://forum.vectra-c.com/showthread.php?t=11196

    I agree.... this is one of the big things I dont like about my car, I remember when I first had it, many times I caused embarrasement to myself when the car did not want to move beyond snails pace when I needed to move quickly like pulling out at junctions or Islands etc. AYS you do get used to it and of course you make sure those revs are up when you need to get away quickly, though occasionally I still forget to raise the revs when pulling away and it just die's on me. (never been my nature to unduly rev a car...lol)

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    Regular Member john_k_sri's Avatar
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    Vehicle : Vectra

    Trim : SRI NAV XP

    Engine : 1.9 CDTI 150

    Year : 2007

    Mileage : 72K

    Default

    Yep turbo lag. Perfectly normal. The 1.9CDTI diesels' turbos seem to take longer to spool up to the point at which the horses are let go, which is supposedly just shy of 2000rpm. The petrol turbo Vectras don't seem to have the problem even though in the case of the 2.0T, they let their horses go a bit later than the 1.9CTDI's but pull well from 1100 revs.

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    As everyone has said, normal but once you have adapted your driving style, it shouldnt cause you any problems IMO. Get a remap or tuning box for loads more fun above 2k revs.

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    What I like about the diesel vectra is the fact its a brilliant motorway car, I do a lot of long run motorway journey's including regular trips over to western France and its so economical, and a really quiet and smooth drive, thats when that 6th gear really comes into its own.

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