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Thread: CDTI 150 Slow Acceleration below 2300RPM

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    Default CDTI 150 Slow Acceleration below 2300RPM

    Hi All,
    I'm new to this forum so i apologise if this has been posted before.
    My 06 vectra 1.9 CDTi 150 started accelerating very slowly below 2300rpm in 1st or 2nd gears especially when pulling away from rest. It does not matter if the car is warm or cold the acceleration is very sluggish. As it's an 06 car i presume the garage will do all work under warranty right? On Xmas day i had the amber spanner and car symbol on the dash too.(water in fuel filter??) but it dissappeared and has not come back since...I don't think it's related.
    The car has done nearly 34000 miles and was serviced at 30000 mls.(which annoys me if the fuel filter is goosed)
    Thanks for your help.

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    Admin plasma's Avatar
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    Vehicle : Vectra

    Trim : SRi

    Engine : 150

    Year : 05

    Mileage : 74000

    Default

    Take it to the stealers and find out if the swirl valve rod and inlet manifold have been changed. Bad accelaration is a sympton of this fault but the 1.9's arent the quickest up to turbo speaks anyhow... hopefully once they plug it into their machine it will tell ya wots wrong

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    Regular Member dinac_cro's Avatar
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    Well i checked the swirl vane rod this morning and its all connected normally.
    The car seemed to be running better last night...I Think it's something electrical if it's an intermittant fault. I haven't driven today but i'm now wondering if its something related to the engine being cold, maybe a sensor or something???
    Thanks for all your ideas so far.

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    Hi Plasma,
    Well did as you suggested a long wait at the stealers.. and it's the EGR valve which they will change under warranty (for info it costs £98 from Vx without Vat) but...they don't have it in stock so i have to wait a week or two until it comes......Yipee!...It's soo much fun to drive like this.. :-(

    Majestic

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