Question about 2000 Volvo V70

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Hi- I have a volvo v70 automatic, this fault comes and goes.....the engine idle is very eratic and also not always at the same time there is a terrible whistling noise from the engine. Thanks Phil

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Sounds like you have a leaking vacuum line. If it has a hole or is cracked, it will leak or **** air causing the idle to be erratic. The vacuum lines or hoses should be traced down for any cracks or dry rot and replaced. The heat from the engine and the emissions causes the hoses to break down and a lot of people don't realize these should be replaced. The vacuum lines or hoses coming from the intake area is the main area to look at.

Posted on Jun 05, 2010

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