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[coop1952]

My omega v6 2.6 has had the warning light come up and the fault code is 0170 - Fuel Trim Malfunction (Bank 1). Is there a simple answer to how I sort out this problem and is this a common fault?

[Martin_1962]

Start with a good service, reset codes and check again.

Could be MAF, or Lambda

But start with a thourough service - including plugs