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Thread: Y20DTH Boost Sensor

  1. #1
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    Default Y20DTH Boost Sensor

    Was going to give the boost sensor a clean over the weekend, and looking at it's location in the Y20DTH, it seems to be a pretty tight fit.

    Is is possible to remove it without removing the throttle body? or is it just as simple to remove the throttle body and clean both?

    Thanks for any help

    Colin

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    Default

    look on the how 2 and look for cleaning inlet manifold and egr valve for a 2.2dti . you might as well do this aswell it really does make a difference .

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    I've seen the how 2 on the inlet manifold, but to be honest, I think it's a bit beyond my DIY abilities at the moment; but the boost sensor seemed a more simple job to attempt.

    I may well end up taking it into the garage to have the inlet manifold done. If i take the throttle body off it should give me some idea how much carbon build up there actually is; the car is on 115K, (90% motorway) miles so there should be a fair bit by now.

    Thanks

  4. #4
    Regular Member peadar's Avatar
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    Vehicle : ELITE

    Trim : FULL LEATHER

    Engine : 1.9 CDTI 150 BHP

    Year : 2004

    Mileage : 87,000

    Default

    its not as hard as you think , even just do the throttle body,boost sensor and egr valve
    but to answer your Q use a 8mm ring spanner and you can get the sensor out ok

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    Ok thanks for that peadar.

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    i thought that when i first saw it but i was'nt going to pay a garage money for doing it . it took me 45 minutes when i done it and the car is so much more poke . dont be affaid to do it. the hardest job is pumping the fuel back but if you do it how they say. it easy and does work

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    Well I've ended up just doing the throttle body and boost sensor today. Tbh the boost sensor wasn't that bad at all, much better than I was expecting.
    The throttle body did however have quite a good layer of carbon build up on it. I've attached pictures to show the condition of the throttle body and inlet manifold.

    After getting to see the inlet manifold, with the throttle body removed; I can appreciate what you're saying. It is just the thought of screwing something up and the fuel priming, that's holding me back a bit. I'll keep reading and get round to giving it a shot. I'm sure if I'm struggling, this great forum will be able to offer some advice.

    inlet manifold.JPGthrottle body 1.JPGthrottle body.JPGinlet manifold 1.JPG

    One things for damn sure, I won't make the same mistake as today and leave oily footprints across the carpet in the house - this missus was not impressed!!

  8. #8
    Regular Member DTi Elite's Avatar
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    Vehicle : Vectra

    Trim : Elite

    Engine : 1.9 cdti 150

    Year : 2007

    Mileage : 145k

    Default

    that looks fairly well coked up , mine was a right old mess when I cleaned it all out , think it was on 176k miles at the time



    surprising just how much difference it makes , be sure to give the EGR valve a good clean out as well , remove the grey plastic cap from the end of the EGR & there is a cam mechanism inside that gets full of carbon , this also needs to be cleaned .

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    Default

    EGR is next on the list of things to do, hopefully it will be easy to remove, I've heard of some people struggling to remove it. Then I may well tackle the inlet manifold.

    One thing I did notice with the throttle body off is some damp areas behind the silicon pipes (that I think are the leak off pipes) highlighted in the photo, does that mean I should be getting those changed out as well? and if so, is it an easy enough job to do on the 2.0DTI.

    inlet manifold1.jpg

  10. #10
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    Probably leak of pipes need replacing mate helps alot with startin the car up once changed
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

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