IMRC module analysis and repair (Ford Focus ST170) @DiodeGoneWild
IMRC module analysis and repair (Ford Focus ST170) @DiodeGoneWild
Uploaded May 2023 | Updated September 2026, 1 week ago
Fixing an IMRC (Intake Manifold Runner Control valve) module from Ford Focus ST170. Exploring what's inside. Testing all the electronic components in it (the TO220 power Darlington NPN transistor, small PNP SMD transistor, diodes, resistors, capacitors, motor and contacts). Finding the faulty component and replacing it.

UPDATE: It's back in the car, it seems to work, no errors, passed the emissions test.

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IMRC module analysis and repair (Ford Focus ST170)

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