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This is a 91 240 California car with 145,000 miles, automatic.
At some point in the future, I plan to remove the oil separator box to clean it. As a California car, it has an EGR valve "down there". For getting to the EGR valve and oil box, the choice is to remove the intake manifold to make it easy, or to remove only the throttle body and idle air control valve. Which of these is the most efficient method taking into account the amount of time involved and the difficulty removing the EGR valve? Can the EGR valve be removed without removing the intake manifold?
Has someone had experience doing this on an engine with the EGR valve?
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