Thread: Focus 1.6 OBD Code P0352 running on 2 cylinders
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Old Apr 24, 2014 | 08:37 PM
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GVK.
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P0352 Ignition Coil B Primary/Secondary Circuit Malfunction

Read more at: http://www.obd-codes.com/p0352
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Need to get an LED or low power bulb and check that the coil pack (the coil pack is in 2 pairs basically, you get an A & B primary and secondary circuit) is being switched by the ECU

Centre terminal of coil connector is live with ignition, put the LED/bulb from centre to one the outer terminals, crank engine with connector disconnected, the LED should flash, then do the same to the other side.

Must stress you need to use a low power bulb or an LED for this...

If you have no joy on one side, need to check the wire right back to the ECU really, but could be an actual ECU internal coil driver fault.

Hope that makes sense.
Last edited by GVK.; Apr 24, 2014 at 08:47 PM.
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