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    Re: Mercedes Benze A170 D 2003 - Running rough at idle, but ok on the road # Archived Message

    Posted by Richard Endean on March 7, 2009, 10:55 pm, in reply to "Mercedes Benze A170 D 2003 - Running rough at idle, but ok on the road #"

    John, I'd get the injectors tested - I've done a couple of sets recently for this fault. Also be aware that if you're buying new/recon, there are some spurious ones out there - often not as good as the ones they're replacing. We buy ours from Bosch and hopefully get the testing fee thrown in.

    I've also found that leak off checks aren't that good an indicator of injector condition. These are a pain when not all systems do quantity comparisons in live data.

    HTH
    Richard

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