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Thread: 1.8 starting & Knocking

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    Post 1.8 starting & Knocking

    Hi I have been having problems starting my 53 plate 1.8 petrol vectra C It turns over for ages before catching. Now today its developed a knocking, more like pinking when accelerating under load.

    Any Ideas ?

    Cheers
    RD

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    Regular Member paul wingnut's Avatar
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    Vehicle : vectra sri 150


    Engine : 1900 cdti 150

    Year : 2008

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    Is the timing belt ok? and the timing

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    Yeah seems to run smooth enough. Just re installing my Opel com SW to check but last time I looked it was clear.

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    Oh one other thing although it runs smooth the idle speed hunts between 500 and about 900 rpm

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    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

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    It sounds to me as if the throttle body could do with a good clean. Mine 'hunted' for while, and cleaning the TB cured it.It wasn't to the same extent as your, but it was very noticeable.

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    Quote Originally Posted by Rallyingden View Post
    Oh one other thing although it runs smooth the idle speed hunts between 500 and about 900 rpm
    When I had not had my vec-c 1.8 long it started to hunt between 600/1000 rpm,it was on 57,000 miles, a good shot of injector cleaner sorted this out, perhaps I was lucky as your problem could be a lot of things, I now use injector cleaner almost every fill. its on 77,000 miles now and never had a this problem again.

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