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P0266 Diagnostic Trouble Code Discussion for November 2016

Cylinder 2 Balance System Malfunction


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Trouble Ticket Help Requests for DTC P0266
Help Request Posted
2005 Ford F-550 Super Duty Lariat 6.0L Cuts out, Misfire, MIL Lamp on VIN: 1FDAF56P55
P0266: Cylinder 2 Balance / Contribution. While testing cylinder contributions, found cylinder 6 not working, then as vehicle warmed, cylinders 2 4 and 8 also stopped working. Cylinder 8 came back and then cylinder 1 failed. No ficm codes. Replaced ficm, same concern. All cylinders on left bank have 4...
November 16, 2016