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ford focus stays in 2 cylinders

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6 1 months prior week #53767 by  huelva
Hi, I'm reviewing a Ford Focus and I have not finished diagnosing it.
the problem is that it remains in 2 cylinders (2y3 work) to those who do not work, they get a spark despite that, and changed the coil, fuel pump, wires and spark plugs
I do not know what to look.
The cylinders that do not work (1 and 4) do not reach gasoline.
I hope help and thanks in advance to all

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2 months 3 weeks before - 2 months 3 weeks before #53845 by  martin201
Answer of martin201 about the topic ford focus stays in 2 cylinders
Focus has a waste spark ignition system with two coil packs. Cylinders 1 and 4 share a coil pack, as cylinders 2 and 3 do. A problem can be a coil pack and cause misfire problems with both cylinders it services. for more details, you may check this video
Justin peters explained about this problem. hope it will help.
Last Edition: 2 months 3 weeks before by aitortxu.

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1 4 weeks prior month #53873 by  Carande
Answer of Carande about the topic ford focus stays in 2 cylinders
Change the 2,3 injectors to 1,4. If it remains the same, check wiring from iny. 1 and 4 up to the ecu, and if the wiring is fine then probable failure in the ecu

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1 6 days prior month #53907 by  Trejo380
Answer of Trejo380 about the topic ford focus stays in 2 cylinders
It is possible that the injectors of these two cylinders are damaged, badly connected or short cables, you can check with a scanner the operation of the cylinders and possible system failures.

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