Quote:
Originally Posted by AlCan
It also seems likely to be exacerbated (esp. in Rear Fuel Filter equipped models - 2011-2012?) by a dirty, partially clogged fuel filter, as this will increase the suction in the main Fuel Supply Line (Post filter), putting extra stress on the seals along the way. Ahh - and reducing the fuel flow in the Return line. From watching the Instantaneous Fuel Consumption, a DPF Burn takes quite a bit of extra fuel. If it's not available, then the Vapouriser flow will be low... making coking more likely?
I'd be interested to know if those who've had vapouriser issues can relate to these possibilities.
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I understood the rear filter models were the Euro 4 up to 2010, with Euro 5 having the filter at the front. But I might have that wrong.
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