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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models

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Engine Shaking & low power - 2000 s70 FWD Base Model

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Old Yesterday, 10:45   #61
Luxobarge
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Quote:
Originally Posted by SteveSarre View Post
The ETM should operate and click a few times when you first turn the ignition on . There is also an idle air control valve (IACV). You could also try unplugging that and see if that affects the noise. https://www.matthewsvolvosite.com/id...-iac-cleaning/
Steve
To the best of my knowledge, ETM cars don't have an IACV, tickover (idle speed) is all done at the ETM control level, so don't be surprised if you actually don't find an IACV on your car.
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Old Yesterday, 17:56   #62
rtjl
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I will look into sourcing items for the jobs.

Thanks for your time and input.
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cylinder pressure, engine, first car, s70


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