First the smart part – I followed Lee’s advice and removed and cleaned the throttle body and IAC valve they were both filthy and needed a major cleaning – it made a huge difference on the cold morning start ups.
IAC Valve Cleaning = Cold Starting Improvement
This entry was posted in Engine Breathing, PCV, EGR, Idle Air Control Valve, Volvo 850 and tagged IAC Valve. Bookmark the permalink.




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