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Thread: vectra c 2.0 dti sluggish engine

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    Regular Member Legion84's Avatar
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    Default vectra c 2.0 dti sluggish engine

    Hi guys been awhile since my last post Mrs had wrote our vectra off a few months back, so we have been using a cheap run around, but have another vectra, was fairly cheap so I can't grumble to much about it I guess,

    The problem is the engine has no life in it at all, its got a lot of miles on it hence the cheap price, it revs and picks up speed slow, no torque won't gain speed on hills to much no turbo lag I know they ain't powerful but this ain't got no guts at all,

    Details
    Starts fine first time
    No management light
    Bit of smoke at first,
    Revs ok, but has a whine to it around 2 to 3k revs. lower revs it grunts like a tractor sound and about 3.5k to 4k it has a grunt like a tractor sound or perfect diesel sound..
    Egr was caked in sluge which I managed to clean and so is the manifold but I can't get the nuts off the injector the metal pipes to clean manifold..
    I suspect turbo
    And it has a pipe missing from air box that connects it to the oval one at the front of the car above radiator..

    Any ideas please

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    If the EGR was that caked up then the boost sensor probably is too - might explain the lack of power.

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    Regular Member Legion84's Avatar
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    Thanks Simon, that would be the component on the side of the engine near the battery housing? I'll look into getting that cleaned up to as the manifold top and bottom once I get a better spanner as mine was flexing under load, any ideas on the whining noise of the engine when reving like a flat spot? Maybe the coked up manifold hopefully..
    Or a tip on how to check the turbo is working as of the whining noise its hard to hear it.. thanks

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    That's the vacuum pump, see this thread for the location of the boost sensor - a couple of pics down. http://www.vectra-c.com/forum/showth...t=boost+sensor
    Release the plug and undo the bolt. The sensor is a little tight to pull out due to the o-ring seal. I usually use a blast of carb cleaner to remove any muck, but if yours is badly coaked up use a soft brush - but take care not to damage the sensor elements.
    Last edited by simon987; 18th July 2012 at 23:02. Reason: Correction to link

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    thanks Simon, I remember taking this out it was a black plastic cone gave that a blast and clean, sorry I thought it was the metal housing atatched to the right hand side of the engine block (vaccum boost as describe), my bad but a nice tip for getting the hoses back on and the car to fire up, once I get the manifold cleaned if this rain stops tomorrow, I might hook the battery off to reset some ecu settings such as dirty manifold and previous drivers? Hopefully this might improve or get some life back into the thing, I've a lot to learn and every bit of advice pointers and knowledge is greatly appreciated
    Last edited by Legion84; 18th July 2012 at 23:17.

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    Finally sorted it just now but having problems starting it, just turns as if it will fire but won't any ideas as I don't won't to over do it thanks

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