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Thread: Cleaned EGR, throttle body etc....it's like a rocket

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    Regular Member marky2027's Avatar
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    Talking Cleaned EGR, throttle body etc....it's like a rocket

    Lately the car has been hesitating on acceleration so I have followed the excellent instructions on here and cleaned the boost sensor, EGR and throttle body. They were totally caked with depsoits. I'm amazed the car was still running! I have also replaced the vac pipes with the blue silicone ones. The result is one very fast vectra. It is like the proverbial off a shovel. The only thing I had a problem with was getting the mesh cover off the boost control solenoid but my other efforts have now transformed the car. It pulls from 1600 rpm like a train and seems loads more responsive. I would recommend doing all of these if you have a few miles under your belt. Mine is a 1.9 cdti (150) with 93k on.

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    Regular Member BBMadness's Avatar
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    This is what i intend on dong when i get mine back from the garage after having its facelift. As mine has 176k on the clock and has started kicking out loads of black (carbon) smoke

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    just wondering where you got the instructions on here

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    Regular Member marky2027's Avatar
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    Quote Originally Posted by somtrot View Post
    just wondering where you got the instructions on here
    Just do a search in the how to section. There's loads of great info with photos

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    Yeah i did this too on my Dad's 150 Estate as it started feeling really sluggish...and a massive difference once all was cleaned....the throttle body was appalling, so much cr@p build up it was unreal!!

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    Regular Member marky2027's Avatar
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    When it's nailed it absolutely flies but just today in traffic at low revs I got that hesitation again for a split second. Going to clean MAF sensor I think next

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    Quote Originally Posted by marky2027 View Post
    When it's nailed it absolutely flies but just today in traffic at low revs I got that hesitation again for a split second. Going to clean MAF sensor I think next
    Try this link mate... Solved my misfiring / flat-spot. Car runs like a dream again now!!
    http://www.vectra-c.com/forum/showth...t-Spot-1800rpm

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    Regular Member marky2027's Avatar
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    I had already cleaned boost sensor but just sprayed it with carb cleaner. Didn't go too hard as I was wary not to damage the parts inside. It got most of the crap off but it want as clean as the one in your pic. Gonna give this a go. How fragile is the metal part in the centre?

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    Quote Originally Posted by marky2027 View Post
    ...Gonna give this a go. How fragile is the metal part in the centre?
    Not sure how fragile the actual sensor is tbh, so I worked on the theory that it would probably damage easlily if provoked (I was therefore gentle with it). I used a soft artist type brush to aggitate the duck oil, but didn't poke around with the sensor too much. I've driven the car from Sheffield > Huddersfield > Manchester > Selby > Sheffield since yesterday, and it's definately running much smoother than before.

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