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About tango667uk

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  • Ford Model Focus ST 170
  1. ST170 IMRC stuck Open

    I too am having the same problem. DTC code P1518 has come on twice, which i have cleared with my code reader. I have checked the plastic 'dsi' clip/lever which the cable from the IMRC connects to and thats still intact. So... from what i have learned from different forums is that maybe the IMRC control box is knackered, the spring which closes it on the manifold is knackered or the butterfly valves in the manifold itself have given up (hopefully not cos it'll be expensive) Is there a sensor that reports whether the valve is stuck open or closed on the maifold, or is it part of the IMRC control box reporting on how far the cable is in or out?