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imrc diagnosis

  1. Symptoms from sick IMRC unit?

    SVT Performance (2002-2004)
    I was reading the 'how to' on cleaning the IMRC unit for the SVT intake manifold, and it occurred to me, I wouldn't have a clue if mine was not working correctly. What would be the issues I could expect to see when this unit needs cleaning/replacement? What could I expect to see if the cable...