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Throttle body and Idle Control Valve on 2000 V70 XC V70-XC70

I read a post in the archives about cleaning the throttle body and idle control valve as well as checking for vacuum leaks to help reduce engine vibration at idle.

My engine runs rougher than I remember when it was new. I wonder where are the throttle body and the idle control valve under the hood and how do I clean them?

Also, is there some test I can perform to help me know if my engine has a vacuum leak or not?

Thanks,

RGW






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