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International Automotive Technicians Network
Re: P2004 IMRC stuck open
Posted to Technical Discussion Forum on 10/12/2017

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The vacuum actuator has the senser built into it. I do believe I have a faulty PCM. The position senser has 3 wires. Ground, 5v reference and a signal return which has 12v coming out of the PCM. I ve... Login to read more.