Mazda 6 lacks power on cold mornings

I have a Mazda 6 diesel (2006 model) that lacks power when cold. In fact, in the mornings, it is difficult to get it past 45mph, although it works fine when up to full working temp. This morning I left it to idle for 20 minutes until it was hot and it went perfect. Any idea what the problem might be?

Asked on 8 November 2016 by Roy Talbot

Answered by Honest John

Possibly emulsified fuel blocking the fuel filter.

Tags: loss of power fuel filter diesel engines

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